Tailwind CSS v3 color

Tailwind cyan-300 #67E8F9

Tailwind CSS v3's cyan-300 is #67E8F9. It is a pale soft cyan in the cyan family. In OKLCH it sits at lightness 0.865, chroma 0.115 and hue 207.1°. The nearest CSS named color is paleturquoise (#AFEEEE), ΔE2000 8.6 away.

Relative luminance
0.6744
OKLCH L · C · h
0.865 · 0.115 · 207.1
Best text
Black 14.48:1
Hue family
Cyan

#67E8F9 color codes

HEX
#67E8F9
RGB
rgb(103, 232, 249)
HSL
hsl(187, 92%, 69%)
OKLCH
oklch(0.865 0.115 207.1)
OKLab
oklab(0.865 -0.103 -0.053)
CIELAB (D65)
L* 85.72, a* -30.72, b* -18.96
XYZ (D65)
X 51.54, Y 67.43, Z 99.90
CMYK (naive)
cmyk(59%, 7%, 0%, 2%)

CIELAB and XYZ use the D65 white point; CSS lab() uses D50, so paste the OKLCH or HEX value into stylesheets. CMYK here is a plain formula with no press profile.

Legibility

Contrast: is #67E8F9 accessible?

Black text on it reaches 14.48:1, passing AAA. White text fails at 1.44:1.

WCAG 2 gives the same ratio whichever color is the text; APCA does not, so its Lc changes sign and size with polarity.

Open the Contrast System
  • Black text on it

    14.48:1

    • AA passes
    • AA large passes
    • AAA passes
    • APCA Lc +82
  • White text on it

    1.44:1

    • AA fails
    • AA large fails
    • AAA fails
    • APCA Lc −24

    Text is here, unreadable at 1.44:1

  • As text on black

    14.48:1

    • AA passes
    • AA large passes
    • AAA passes
    • APCA Lc −82
  • As text on white

    1.44:1

    • AA fails
    • AA large fails
    • AAA fails
    • APCA Lc +21

    Text is here, unreadable at 1.44:1

Nearest versions that pass 4.5:1

  • For text on white

    #00828F 4.57:1

    Darkening its OKLCH lightness from 0.87 to 0.56 reaches 4.57:1 on white, keeping the hue.

  • For text on black

    #67E8F9 14.48:1

    It already reaches 14.48:1 on black, so no change is needed.

Checking another pair? Use the Contrast Checker.

Studio

Adjust #67E8F9 live

Move lightness, chroma and hue in OKLCH, or drag on the map. The map is every lightness and chroma at the current hue: sRGB inside the solid area, Display P3 out to the dashed line.

The studio needs JavaScript.

Scale

Shades and tints of #67E8F9

Eleven OKLCH lightness steps at this hue, each with its contrast against white and black. #67E8F9 sits at step 200.

  1. 50#E0FBFF
    White
    1.08
    Black
    19.41
  2. 100#BEF7FF
    White
    1.17
    Black
    17.93
  3. 200This color#67E8F9
    White
    1.44
    Black
    14.48
  4. 300#5AD1E1
    White
    1.80
    Black
    11.64
  5. 400#2AB5C5
    White
    2.46
    Black
    8.51
  6. 500#0098A7
    White
    3.47
    Black
    6.04
  7. 600#007D8A
    White
    4.88
    Black
    4.30
  8. 700#00646E
    White
    6.88
    Black
    3.04
  9. 800#004951
    White
    10.13
    Black
    2.07
  10. 900#002F35
    White
    14.40
    Black
    1.45
  11. 950#001A1E
    White
    18.00
    Black
    1.16

Under each step, white and black text on it; a bold figure passes 4.5:1.

Tailwind CSS v3 cyan scale

The real Tailwind palette, for comparison with the computed ramp above.

  1. 50#ECFEFF
    White
    1.04
    Black
    20.18
  2. 100#CFFAFE
    White
    1.11
    Black
    18.75
  3. 200#A5F3FC
    White
    1.24
    Black
    16.82
  4. 300This color#67E8F9
    White
    1.44
    Black
    14.48
  5. 400#22D3EE
    White
    1.80
    Black
    11.62
  6. 500#06B6D4
    White
    2.42
    Black
    8.64
  7. 600#0891B2
    White
    3.68
    Black
    5.70
  8. 700#0E7490
    White
    5.35
    Black
    3.91
  9. 800#155E75
    White
    7.26
    Black
    2.88
  10. 900#164E63
    White
    9.11
    Black
    2.30
  11. 950#083344
    White
    13.39
    Black
    1.56

Gamut

How vivid #67E8F9 can get

At its lightness and hue, sRGB reaches OKLCH chroma 0.134; #67E8F9 uses 86% of it. Display P3, which many recent phones and laptops show, reaches 0.144 there: 8% more.

0.00.20.40.60.80.20.40.60.8 460480500520540560580600620
  • sRGB
  • Display P3
  • Rec. 2020
  • Dominant wavelength
OKLCH chroma
0.115
sRGB edge
0.134
Display P3 edge
0.144
Rec. 2020 edge
0.145
Dominant wavelength
488 nm
Excitation purity
30%
Chromaticity
x 0.2355, y 0.3081
  • This color#67E8F9
  • Most vivid in sRGB#45EBFF
  • Most vivid in Display P3oklch(0.865 0.144 207.1)

On a screen without Display P3 the last tile shows the sRGB edge instead.

Use the wider color where screens show it
.accent {
  color: #67e8f9;
}
@media (color-gamut: p3) {
  .accent { color: color(display-p3 0.4406 0.9141 1); }
}

Mixing

Mixing #67E8F9

Each row is the same mix worked out in a different space, with the halfway color at its end. sRGB, which older CSS gradients use, can sag gray or dark in the middle; OKLab keeps the lightness steps even; OKLCH holds chroma and hue as it goes.

White #FFFFFF

  • sRGB50%#B3F4FC
  • OKLab50%#BCF4FC
  • OKLCH50%#BCF4FC

Black #000000

  • sRGB50%#34747D
  • OKLab50%#235961
  • OKLCH50%#235961

Its complement #FFC1B9

  • sRGB50%#B3D5D9
  • OKLab50%#C3D7DA
  • OKLCH50%#D7C9FF
In CSS
/* A gradient and a mix, worked out in OKLCH */
background: linear-gradient(in oklch, #67e8f9, white);
color: color-mix(in oklch, #67e8f9 50%, white);

In use

#67E8F9 in an interface

A button, a link, a heading, a focused field, an icon and a chart line in this color, on a light page and a dark one. Each check is a WCAG 2 contrast minimum: 1.4.3 for text, 1.4.11 for the rest.

Light page

  • Button labelText, 4.5:114.48:1 Passes
  • Link and body-size textText, 4.5:11.44:1 Fails
  • Large headingLarge text, 3:11.44:1 Fails
  • Icons, borders and focus ringsNon-text, 3:11.44:1 Fails

For text on this page, the nearest shade that passes is #00828F 4.57:1

Dark page

  • Button labelText, 4.5:114.48:1 Passes
  • Link and body-size textText, 4.5:112.92:1 Passes
  • Large headingLarge text, 3:112.92:1 Passes
  • Icons, borders and focus ringsNon-text, 3:112.92:1 Passes

Color vision

How #67E8F9 looks with color blindness

Deuteranopia changes it most, ΔE2000 22.5; tritanopia changes it least, 8.9.

Simulated with Machado et al. (2009) at full severity, in linear light.

Simulate a whole page What each type sees
  • Protanopia

    No working red (long-wavelength) cones

    #D6E0FA ΔE2000 22.2

    Distinct

    Reads as pale grayish blue

  • Deuteranopia

    No working green (medium-wavelength) cones

    #C0CFF9 ΔE2000 22.5

    Distinct

    Reads as pale muted blue

  • Tritanopia

    No working blue (short-wavelength) cones

    #00F1ED ΔE2000 8.9

    Noticeable

    Reads as pale soft cyan

  • Achromatopsia

    No cone color vision; lightness only

    #D6D6D6 ΔE2000 22.5

    Distinct

    Reads as light gray

Pairing check

Checked against its complement, #FFC1B9. Their lightness contrast is only 1.06:1, so where hue collapses, add a label, icon or pattern.

VisionThe pairΔE2000Verdict
Normal vision#67E8F9 · #FFC1B953.0Stays distinct
Protanopia#D6E0FA · #CEC9B820.5Stays distinct
Deuteranopia#C0CFF9 · #DCD4B828.4Stays distinct
Tritanopia#00F1ED · #FFBABF50.9Stays distinct
Achromatopsia#D6D6D6 · #D0D0D01.4Easily confused

Harmony

Color harmonies for #67E8F9

Its complement is #FFC1B9, a pale muted red, on the warm side of the wheel.

Hue rotations in OKLCH, mapped into sRGB by trimming chroma so hue and lightness stay put.

Open the Harmony Studio
  • Base#67E8F9
  • Complement#FFC1B9

Complementary

Open in Harmony Studio
  • −30°#74ECD1
  • Base#67E8F9
  • +30°#A3DBFF
  • Base#67E8F9
  • +120°#FBB8FA
  • +240°#F3CE76
  • Base#67E8F9
  • +150°#FFBDD3
  • +210°#FFC59B

Split-complementary

Open in Harmony Studio

Code

Design tokens

Ready-to-paste tokens in six formats. Rename them to fit your system.

CSS custom property

:root {
  --color-cyan-300: #67e8f9;
}

Tailwind config

// tailwind.config.js — already built in as cyan-300;
// pin the v3 value explicitly like this:
module.exports = {
  theme: {
    extend: {
      colors: {
        cyan: { 300: '#67e8f9' },
      },
    },
  },
};

Tailwind v4 theme

/* app.css — Tailwind CSS v4 */
@import "tailwindcss";

@theme {
  /* v4 has its own cyan-300; this pins the v3 value. */
  --color-cyan-300: oklch(0.865 0.115 207.1);
}

Design token (W3C DTCG)

{
  "color": {
    "cyan-300": {
      "$type": "color",
      "$value": {
        "colorSpace": "srgb",
        "components": [0.4039, 0.9098, 0.9765],
        "hex": "#67e8f9"
      },
      "$description": "Tailwind CSS v3 cyan-300"
    }
  }
}

SwiftUI color

import SwiftUI

enum Palette {
    static let cyan300 = Color(.sRGB, red: 0.404, green: 0.910, blue: 0.976, opacity: 1)
}

Jetpack Compose color

import androidx.compose.ui.graphics.Color

object Palette {
    val Cyan300 = Color(0xFF67E8F9)
}

Matches

The nearest match in each system

The closest CSS name, Tailwind shade, RAL Classic paint and Crayola crayon by ΔE2000; under 2 is hard to tell apart side by side. RAL and Crayola values approximate physical colors.

Tools

Open #67E8F9 in the tools

Each opens over this page. More colors live in the Color Library, and every color page is listed on the hub.