Crayola crayon color

Crayola Robin's Egg Blue #1FCECB

Crayola Robin's Egg Blue is shown here as #1FCECB, the commonly published value for the crayon. It is a light soft cyan in the cyan family. In OKLCH it sits at lightness 0.772, chroma 0.128 and hue 192.9°. The nearest CSS named color is mediumturquoise (#48D1CC), ΔE2000 1.9 away.

Relative luminance
0.4875
OKLCH L · C · h
0.772 · 0.128 · 192.9
Best text
Black 10.74:1
Hue family
Cyan

#1FCECB color codes

HEX
#1FCECB
RGB
rgb(31, 206, 203)
HSL
hsl(179, 74%, 46%)
OKLCH
oklch(0.772 0.128 192.9)
OKLab
oklab(0.772 -0.125 -0.029)
CIELAB (D65)
L* 75.29, a* -40.62, b* -10.26
XYZ (D65)
X 33.41, Y 48.74, Z 64.14
CMYK (naive)
cmyk(85%, 0%, 1%, 19%)

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.

Crayola is a trademark of Crayola LLC, which this site is not affiliated with. The value is the commonly published sRGB rendering of the crayon, not a Crayola specification.

Legibility

Contrast: is #1FCECB accessible?

Black text on it reaches 10.74:1, passing AAA. White text fails at 1.95:1.

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

    10.74:1

    • AA passes
    • AA large passes
    • AAA passes
    • APCA Lc +66
  • White text on it

    1.95:1

    • AA fails
    • AA large fails
    • AAA fails
    • APCA Lc −41
  • As text on black

    10.74:1

    • AA passes
    • AA large passes
    • AAA passes
    • APCA Lc −65
  • As text on white

    1.95:1

    • AA fails
    • AA large fails
    • AAA fails
    • APCA Lc +37

Nearest versions that pass 4.5:1

  • For text on white

    #008381 4.60:1

    Darkening its OKLCH lightness from 0.77 to 0.55 reaches 4.60:1 on white, keeping the hue.

  • For text on black

    #1FCECB 10.74:1

    It already reaches 10.74:1 on black, so no change is needed.

Checking another pair? Use the Contrast Checker.

Studio

Adjust #1FCECB 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 #1FCECB

Eleven OKLCH lightness steps at this hue, each with its contrast against white and black. #1FCECB sits at step 300.

  1. 50#D5FFFD
    White
    1.07
    Black
    19.55
  2. 100#A0FFFC
    White
    1.15
    Black
    18.20
  3. 200#71EFEC
    White
    1.37
    Black
    15.25
  4. 300This color#1FCECB
    White
    1.95
    Black
    10.74
  5. 400#00B9B6
    White
    2.43
    Black
    8.61
  6. 500#009A98
    White
    3.45
    Black
    6.07
  7. 600#007F7D
    White
    4.84
    Black
    4.33
  8. 700#006664
    White
    6.80
    Black
    3.08
  9. 800#004A49
    White
    10.11
    Black
    2.07
  10. 900#00302F
    White
    14.34
    Black
    1.46
  11. 950#001B1A
    White
    17.92
    Black
    1.17

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

Gamut

How vivid #1FCECB can get

At its lightness and hue, sRGB reaches OKLCH chroma 0.132; #1FCECB uses 97% of it. Display P3, which many recent phones and laptops show, reaches 0.178 there: 35% more.

0.00.20.40.60.80.20.40.60.8 460480500520540560580600620
  • sRGB
  • Display P3
  • Rec. 2020
  • Dominant wavelength
OKLCH chroma
0.128
sRGB edge
0.132
Display P3 edge
0.178
Rec. 2020 edge
0.288
Dominant wavelength
492 nm
Excitation purity
31%
Chromaticity
x 0.2284, y 0.3332
  • This color#1FCECB
  • Most vivid in sRGB#00CFCC
  • Most vivid in Display P3oklch(0.772 0.178 192.9)

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

Use the wider color where screens show it
.accent {
  color: #1fcecb;
}
@media (color-gamut: p3) {
  .accent { color: color(display-p3 0 0.8246 0.8228); }
}

Mixing

Mixing #1FCECB

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%#8FE7E5
  • OKLab50%#A8E7E5
  • OKLCH50%#A8E7E5

Black #000000

  • sRGB50%#106766
  • OKLab50%#064E4D
  • OKLCH50%#064E4D

Its complement #FB919E

  • sRGB50%#8DB0B5
  • OKLab50%#B5B5B5
  • OKLCH50%#AAABFF
In CSS
/* A gradient and a mix, worked out in OKLCH */
background: linear-gradient(in oklch, #1fcecb, white);
color: color-mix(in oklch, #1fcecb 50%, white);

In use

#1FCECB 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, 4.5:110.74:1 Passes
  • Link and body-size textText, 4.5:11.95:1 Fails
  • Large headingLarge text, 3:11.95:1 Fails
  • Icons, borders and focus ringsNon-text, 3:11.95:1 Fails

For text on this page, the nearest shade that passes is #008381 4.60:1

Dark page

  • Button labelText, 4.5:110.74:1 Passes
  • Link and body-size textText, 4.5:19.58:1 Passes
  • Large headingLarge text, 3:19.58:1 Passes
  • Icons, borders and focus ringsNon-text, 3:19.58:1 Passes

Color vision

How #1FCECB looks with color blindness

Deuteranopia changes it most, ΔE2000 25.7; tritanopia changes it least, 2.0.

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

    #C0C3CB ΔE2000 24.6

    Distinct

    Reads as light gray

  • Deuteranopia

    No working green (medium-wavelength) cones

    #AAB2CC ΔE2000 25.7

    Distinct

    Reads as light grayish blue

  • Tritanopia

    No working blue (short-wavelength) cones

    #00D4CD ΔE2000 2.0

    Close match

    Reads as light soft cyan

  • Achromatopsia

    No cone color vision; lightness only

    #B9B9B9 ΔE2000 24.0

    Distinct

    Reads as light gray

Pairing check

Checked against its complement, #FB919E. Their lightness contrast is only 1.11:1, so where hue collapses, add a label, icon or pattern.

VisionThe pairΔE2000Verdict
Normal vision#1FCECB · #FB919E56.7Stays distinct
Protanopia#C0C3CB · #A5A39E11.1Stays distinct
Deuteranopia#AAB2CC · #BFB89C24.2Stays distinct
Tritanopia#00D4CD · #FF869661.2Stays distinct
Achromatopsia#B9B9B9 · #B0B0B02.5Easily confused

Harmony

Color harmonies for #1FCECB

Its complement is #FB919E, a light soft 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#1FCECB
  • Complement#FB919E

Complementary

Open in Harmony Studio
  • −30°#5ACE9D
  • Base#1FCECB
  • +30°#3CC6F0
  • Base#1FCECB
  • +120°#D19CEF
  • +240°#E6A74F
  • Base#1FCECB
  • +150°#ED93CA
  • +210°#F99871

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-crayola-robins-egg-blue: #1fcecb;
}

Tailwind config

// tailwind.config.js
module.exports = {
  theme: {
    extend: {
      colors: {
        'crayola-robins-egg-blue': '#1fcecb',
      },
    },
  },
};

Tailwind v4 theme

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

@theme {
  --color-crayola-robins-egg-blue: oklch(0.772 0.128 192.9);
}

Design token (W3C DTCG)

{
  "color": {
    "crayola-robins-egg-blue": {
      "$type": "color",
      "$value": {
        "colorSpace": "srgb",
        "components": [0.1216, 0.8078, 0.7961],
        "hex": "#1fcecb"
      },
      "$description": "Crayola Robin's Egg Blue"
    }
  }
}

SwiftUI color

import SwiftUI

enum Palette {
    static let crayolaRobinsEggBlue = Color(.sRGB, red: 0.122, green: 0.808, blue: 0.796, opacity: 1)
}

Jetpack Compose color

import androidx.compose.ui.graphics.Color

object Palette {
    val CrayolaRobinsEggBlue = Color(0xFF1FCECB)
}

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 #1FCECB in the tools

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