CSS named color

Pale Turquoise #AFEEEE

The CSS keyword paleturquoise is #AFEEEE. It is a pale muted cyan in the cyan family. In OKLCH it sits at lightness 0.907, chroma 0.063 and hue 196.1°.

Relative luminance
0.7644
OKLCH L · C · h
0.907 · 0.063 · 196.1
Best text
Black 16.28:1
Hue family
Cyan

#AFEEEE color codes

HEX
#AFEEEE
RGB
rgb(175, 238, 238)
HSL
hsl(180, 65%, 81%)
OKLCH
oklch(0.907 0.063 196.1)
OKLab
oklab(0.907 -0.061 -0.018)
CIELAB (D65)
L* 90.06, a* -19.64, b* -6.40
XYZ (D65)
X 63.68, Y 76.43, Z 92.27
CMYK (naive)
cmyk(26%, 0%, 0%, 7%)

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 #AFEEEE accessible?

Black text on it reaches 16.28:1, passing AAA. White text fails at 1.28:1.

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

    16.28:1

    • AA passes
    • AA large passes
    • AAA passes
    • APCA Lc +89
  • White text on it

    1.28:1

    • AA fails
    • AA large fails
    • AAA fails
    • APCA Lc −16

    Text is here, unreadable at 1.28:1

  • As text on black

    16.28:1

    • AA passes
    • AA large passes
    • AAA passes
    • APCA Lc −89
  • As text on white

    1.28:1

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

    Text is here, unreadable at 1.28:1

Nearest versions that pass 4.5:1

  • For text on white

    #427F80 4.58:1

    Darkening its OKLCH lightness from 0.91 to 0.56 reaches 4.58:1 on white, keeping the hue.

  • For text on black

    #AFEEEE 16.28:1

    It already reaches 16.28:1 on black, so no change is needed.

Checking another pair? Use the Contrast Checker.

Studio

Adjust #AFEEEE 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 #AFEEEE

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

  1. 50#D4FFFF
    White
    1.07
    Black
    19.54
  2. 100#C3F7F7
    White
    1.16
    Black
    17.96
  3. 200This color#AFEEEE
    White
    1.28
    Black
    16.28
  4. 300#90CACA
    White
    1.82
    Black
    11.48
  5. 400#72AEAE
    White
    2.50
    Black
    8.38
  6. 500#569293
    White
    3.54
    Black
    5.92
  7. 600#3E7A7B
    White
    4.91
    Black
    4.27
  8. 700#276363
    White
    6.88
    Black
    3.05
  9. 800#0C494A
    White
    10.15
    Black
    2.06
  10. 900#003031
    White
    14.31
    Black
    1.46
  11. 950#001B1B
    White
    17.90
    Black
    1.17

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

Gamut

How vivid #AFEEEE can get

At its lightness and hue, sRGB reaches OKLCH chroma 0.141; #AFEEEE uses 45% of it. Display P3, which many recent phones and laptops show, reaches 0.151 there: 7% more.

0.00.20.40.60.80.20.40.60.8 460480500520540560580600620
  • sRGB
  • Display P3
  • Rec. 2020
  • Dominant wavelength
OKLCH chroma
0.063
sRGB edge
0.141
Display P3 edge
0.151
Rec. 2020 edge
0.151
Dominant wavelength
491 nm
Excitation purity
14%
Chromaticity
x 0.2740, y 0.3289
  • This color#AFEEEE
  • Most vivid in sRGB#45FDFF
  • Most vivid in Display P3oklch(0.907 0.151 196.1)

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

Use the wider color where screens show it
.accent {
  color: #afeeee;
}
@media (color-gamut: p3) {
  .accent { color: color(display-p3 0.4721 0.9842 1); }
}

Mixing

Mixing #AFEEEE

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%#D7F7F7
  • OKLab50%#D8F7F7
  • OKLCH50%#D8F7F7

Black #000000

  • sRGB50%#587777
  • OKLab50%#415C5C
  • OKLCH50%#415C5C

Its complement #FFD4D5

  • sRGB50%#D7E1E2
  • OKLab50%#DBE2E2
  • OKLCH50%#E4E3B9
In CSS
/* A gradient and a mix, worked out in OKLCH */
background: linear-gradient(in oklch, #afeeee, white);
color: color-mix(in oklch, #afeeee 50%, white);

In use

#AFEEEE 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, 4.5:116.28:1 Passes
  • Link and body-size textText, 4.5:11.28:1 Fails
  • Large headingLarge text, 3:11.28:1 Fails
  • Icons, borders and focus ringsNon-text, 3:11.28:1 Fails

For text on this page, the nearest shade that passes is #427F80 4.58:1

Dark page

  • Button labelText, 4.5:116.28:1 Passes
  • Link and body-size textText, 4.5:114.52:1 Passes
  • Large headingLarge text, 3:114.52:1 Passes
  • Icons, borders and focus ringsNon-text, 3:114.52:1 Passes

Color vision

How #AFEEEE looks with color blindness

Deuteranopia changes it most, ΔE2000 19.3; tritanopia changes it least, 4.2.

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

    #E6E8EE ΔE2000 18.2

    Distinct

    Reads as off-white

  • Deuteranopia

    No working green (medium-wavelength) cones

    #DADFEF ΔE2000 19.3

    Distinct

    Reads as pale grayish blue

  • Tritanopia

    No working blue (short-wavelength) cones

    #99F2EE ΔE2000 4.2

    Close match

    Reads as pale muted cyan

  • Achromatopsia

    No cone color vision; lightness only

    #E3E3E3 ΔE2000 17.8

    Distinct

    Reads as off-white

Pairing check

Checked against its complement, #FFD4D5. Their lightness contrast is only 1.04:1, so where hue collapses, add a label, icon or pattern.

VisionThe pairΔE2000Verdict
Normal vision#AFEEEE · #FFD4D537.3Stays distinct
Protanopia#E6E8EE · #DBDAD56.5Harder to tell apart
Deuteranopia#DADFEF · #E5E1D413.8Stays distinct
Tritanopia#99F2EE · #FFD0D549.1Stays distinct
Achromatopsia#E3E3E3 · #DEDEDE1.1Easily confused

Harmony

Color harmonies for #AFEEEE

Its complement is #FFD4D5, a pale grayish 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#AFEEEE
  • Complement#FFD4D5

Complementary

Open in Harmony Studio
  • −30°#B9EED7
  • Base#AFEEEE
  • +30°#B7E9FF
  • Base#AFEEEE
  • +120°#F1D4FD
  • +240°#F9DBB2
  • Base#AFEEEE
  • +150°#FFD1E9
  • +210°#FFD6C4

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-paleturquoise: #afeeee;
}

Tailwind config

// tailwind.config.js
module.exports = {
  theme: {
    extend: {
      colors: {
        paleturquoise: '#afeeee',
      },
    },
  },
};

Tailwind v4 theme

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

@theme {
  --color-paleturquoise: oklch(0.907 0.063 196.1);
}

Design token (W3C DTCG)

{
  "color": {
    "paleturquoise": {
      "$type": "color",
      "$value": {
        "colorSpace": "srgb",
        "components": [0.6863, 0.9333, 0.9333],
        "hex": "#afeeee"
      },
      "$description": "CSS named color paleturquoise"
    }
  }
}

SwiftUI color

import SwiftUI

enum Palette {
    static let paleturquoise = Color(.sRGB, red: 0.686, green: 0.933, blue: 0.933, opacity: 1)
}

Jetpack Compose color

import androidx.compose.ui.graphics.Color

object Palette {
    val Paleturquoise = Color(0xFFAFEEEE)
}

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 #AFEEEE in the tools

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