Tailwind CSS v3 color

Tailwind teal-200 #99F6E4

Tailwind CSS v3's teal-200 is #99F6E4. It is a pale muted cyan in the cyan family. In OKLCH it sits at lightness 0.910, chroma 0.093 and hue 180.4°. The nearest CSS named color is aquamarine (#7FFFD4), ΔE2000 7.4 away.

Relative luminance
0.7829
OKLCH L · C · h
0.910 · 0.093 · 180.4
Best text
Black 16.65:1
Hue family
Cyan

#99F6E4 color codes

HEX
#99F6E4
RGB
rgb(153, 246, 228)
HSL
hsl(168, 84%, 78%)
OKLCH
oklch(0.910 0.093 180.4)
OKLab
oklab(0.910 -0.093 -0.001)
CIELAB (D65)
L* 90.91, a* -31.68, b* -0.07
XYZ (D65)
X 60.09, Y 78.28, Z 85.33
CMYK (naive)
cmyk(38%, 0%, 7%, 4%)

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 #99F6E4 accessible?

Black text on it reaches 16.65:1, passing AAA. White text fails at 1.26:1.

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

    16.65:1

    • AA passes
    • AA large passes
    • AAA passes
    • APCA Lc +90
  • White text on it

    1.26:1

    • AA fails
    • AA large fails
    • AAA fails
    • APCA Lc −14

    Text is here, unreadable at 1.26:1

  • As text on black

    16.65:1

    • AA passes
    • AA large passes
    • AAA passes
    • APCA Lc −91
  • As text on white

    1.26:1

    • AA fails
    • AA large fails
    • AAA fails
    • APCA Lc +12

    Text is here, unreadable at 1.26:1

Nearest versions that pass 4.5:1

  • For text on white

    #1D8475 4.55:1

    Darkening its OKLCH lightness from 0.91 to 0.55 reaches 4.55:1 on white, keeping the hue.

  • For text on black

    #99F6E4 16.65:1

    It already reaches 16.65:1 on black, so no change is needed.

Checking another pair? Use the Contrast Checker.

Studio

Adjust #99F6E4 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 #99F6E4

Eleven OKLCH lightness steps at this hue, each with its contrast against white and black. #99F6E4 sits at step 200.

  1. 50#D8FFF6
    White
    1.07
    Black
    19.55
  2. 100#B2FDED
    White
    1.15
    Black
    18.16
  3. 200This color#99F6E4
    White
    1.26
    Black
    16.65
  4. 300#7BD0C0
    White
    1.80
    Black
    11.62
  5. 400#59B4A4
    White
    2.47
    Black
    8.48
  6. 500#389889
    White
    3.48
    Black
    6.02
  7. 600#178071
    White
    4.81
    Black
    4.36
  8. 700#00675A
    White
    6.80
    Black
    3.08
  9. 800#004B41
    White
    10.08
    Black
    2.08
  10. 900#00312A
    White
    14.25
    Black
    1.47
  11. 950#001B17
    White
    17.96
    Black
    1.16

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

Tailwind CSS v3 teal scale

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

  1. 50#F0FDFA
    White
    1.04
    Black
    20.13
  2. 100#CCFBF1
    White
    1.12
    Black
    18.63
  3. 200This color#99F6E4
    White
    1.26
    Black
    16.65
  4. 300#5EEAD4
    White
    1.47
    Black
    14.19
  5. 400#2DD4BF
    White
    1.86
    Black
    11.28
  6. 500#14B8A6
    White
    2.48
    Black
    8.43
  7. 600#0D9488
    White
    3.74
    Black
    5.60
  8. 700#0F766E
    White
    5.47
    Black
    3.83
  9. 800#115E59
    White
    7.58
    Black
    2.76
  10. 900#134E4A
    White
    9.47
    Black
    2.21
  11. 950#042F2E
    White
    14.47
    Black
    1.45

Gamut

How vivid #99F6E4 can get

At its lightness and hue, sRGB reaches OKLCH chroma 0.138; #99F6E4 uses 67% of it. Display P3, which many recent phones and laptops show, reaches 0.157 there: 14% more.

0.00.20.40.60.80.20.40.60.8 460480500520540560580600620
  • sRGB
  • Display P3
  • Rec. 2020
  • Dominant wavelength
OKLCH chroma
0.093
sRGB edge
0.138
Display P3 edge
0.157
Rec. 2020 edge
0.187
Dominant wavelength
497 nm
Excitation purity
15%
Chromaticity
x 0.2686, y 0.3499
  • This color#99F6E4
  • Most vivid in sRGB#60FFE5
  • Most vivid in Display P3oklch(0.910 0.157 180.4)

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

Use the wider color where screens show it
.accent {
  color: #99f6e4;
}
@media (color-gamut: p3) {
  .accent { color: color(display-p3 0.4969 1 0.9043); }
}

Mixing

Mixing #99F6E4

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%#CCFBF2
  • OKLab50%#D0FBF1
  • OKLCH50%#D0FBF1

Black #000000

  • sRGB50%#4D7B72
  • OKLab50%#385F58
  • OKLCH50%#385F58

Its complement #FFD4DF

  • sRGB50%#CCE5E2
  • OKLab50%#D3E6E1
  • OKLCH50%#F3E0AB
In CSS
/* A gradient and a mix, worked out in OKLCH */
background: linear-gradient(in oklch, #99f6e4, white);
color: color-mix(in oklch, #99f6e4 50%, white);

In use

#99F6E4 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, 4.5:116.65:1 Passes
  • Link and body-size textText, 4.5:11.26:1 Fails
  • Large headingLarge text, 3:11.26:1 Fails
  • Icons, borders and focus ringsNon-text, 3:11.26:1 Fails

For text on this page, the nearest shade that passes is #1D8475 4.55:1

Dark page

  • Button labelText, 4.5:116.65:1 Passes
  • Link and body-size textText, 4.5:114.85:1 Passes
  • Large headingLarge text, 3:114.85:1 Passes
  • Icons, borders and focus ringsNon-text, 3:114.85:1 Passes

Color vision

How #99F6E4 looks with color blindness

Deuteranopia changes it most, ΔE2000 23.1; tritanopia changes it least, 4.7.

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

    #EFECE3 ΔE2000 22.2

    Distinct

    Reads as off-white

  • Deuteranopia

    No working green (medium-wavelength) cones

    #DEE0E6 ΔE2000 23.1

    Distinct

    Reads as off-white

  • Tritanopia

    No working blue (short-wavelength) cones

    #79F9F0 ΔE2000 4.7

    Close match

    Reads as pale soft cyan

  • Achromatopsia

    No cone color vision; lightness only

    #E5E5E5 ΔE2000 22.2

    Distinct

    Reads as off-white

Pairing check

Checked against its complement, #FFD4DF. Their lightness contrast is only 1.05:1, so where hue collapses, add a label, icon or pattern.

VisionThe pairΔE2000Verdict
Normal vision#99F6E4 · #FFD4DF43.3Stays distinct
Protanopia#EFECE3 · #D9DBDF7.6Harder to tell apart
Deuteranopia#DEE0E6 · #E3E2DE5.2Harder to tell apart
Tritanopia#79F9F0 · #FFD2D843.2Stays distinct
Achromatopsia#E5E5E5 · #DFDFDF1.3Easily confused

Harmony

Color harmonies for #99F6E4

Its complement is #FFD4DF, a pale muted pink, 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#99F6E4
  • Complement#FFD4DF

Complementary

Open in Harmony Studio
  • −30°#B5F3C1
  • Base#99F6E4
  • +30°#A1F0FF
  • Base#99F6E4
  • +120°#E6DAFF
  • +240°#FFD9BB
  • Base#99F6E4
  • +150°#FFD0F9
  • +210°#FFD7CF

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-teal-200: #99f6e4;
}

Tailwind config

// tailwind.config.js — already built in as teal-200;
// pin the v3 value explicitly like this:
module.exports = {
  theme: {
    extend: {
      colors: {
        teal: { 200: '#99f6e4' },
      },
    },
  },
};

Tailwind v4 theme

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

@theme {
  /* v4 has its own teal-200; this pins the v3 value. */
  --color-teal-200: oklch(0.910 0.093 180.4);
}

Design token (W3C DTCG)

{
  "color": {
    "teal-200": {
      "$type": "color",
      "$value": {
        "colorSpace": "srgb",
        "components": [0.6, 0.9647, 0.8941],
        "hex": "#99f6e4"
      },
      "$description": "Tailwind CSS v3 teal-200"
    }
  }
}

SwiftUI color

import SwiftUI

enum Palette {
    static let teal200 = Color(.sRGB, red: 0.600, green: 0.965, blue: 0.894, opacity: 1)
}

Jetpack Compose color

import androidx.compose.ui.graphics.Color

object Palette {
    val Teal200 = Color(0xFF99F6E4)
}

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 #99F6E4 in the tools

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