Crayola crayon color

Crayola Green #1CAC78

Crayola Green is shown here as #1CAC78, the commonly published value for the crayon. It is a light soft green in the green family. In OKLCH it sits at lightness 0.661, chroma 0.139 and hue 162.1°. The nearest CSS named color is mediumseagreen (#3CB371), ΔE2000 4.2 away.

Relative luminance
0.3111
OKLCH L · C · h
0.661 · 0.139 · 162.1
Best text
Black 7.22:1
Hue family
Green
Inspect this color Check contrast

#1CAC78 color codes

HEX
#1CAC78
RGB
rgb(28, 172, 120)
HSL
hsl(158, 72%, 39%)
OKLCH
oklch(0.661 0.139 162.1)
OKLab
oklab(0.661 -0.132 0.043)
CIELAB (D65)
L* 62.60, a* -48.39, b* 16.77
XYZ (D65)
X 18.62, Y 31.11, Z 22.79
CMYK (naive)
cmyk(84%, 0%, 30%, 33%)

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 #1CAC78 accessible?

Black text on it reaches 7.22:1, passing AAA. White text fails at 2.90:1.

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

    7.22:1

    • AA passes
    • AA large passes
    • AAA passes
    • APCA Lc +49

  • White text on it

    2.90:1

    • AA fails
    • AA large fails
    • AAA fails
    • APCA Lc −60

  • As text on black

    7.22:1

    • AA passes
    • AA large passes
    • AAA passes
    • APCA Lc −46

  • As text on white

    2.90:1

    • AA fails
    • AA large fails
    • AAA fails
    • APCA Lc +54

Nearest versions that pass 4.5:1

  • For text on white

    #00875C 4.54:1

    Darkening its OKLCH lightness from 0.66 to 0.55 reaches 4.54:1 on white, keeping the hue.

    Compare both in the Contrast System

  • For text on black

    #1CAC78 7.22:1

    It already reaches 7.22:1 on black, so no change is needed.

Checking another pair? Use the Contrast Checker.

Studio

Adjust #1CAC78 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 #1CAC78

Eleven OKLCH lightness steps at this hue, each with its contrast against white and black. #1CAC78 sits at step 500.

  1. 50#DCFFEC
    White
    1.07
    Black
    19.55
  2. 100#B3FFD9
    White
    1.15
    Black
    18.22
  3. 200#87F1BF
    White
    1.36
    Black
    15.36
  4. 300#64D8A4
    White
    1.76
    Black
    11.90
  5. 400#3ABB87
    White
    2.43
    Black
    8.63
  6. 500This color#1CAC78
    White
    2.90
    Black
    7.22
  7. 600#008359
    White
    4.78
    Black
    4.39
  8. 700#006946
    White
    6.75
    Black
    3.10
  9. 800#004D32
    White
    9.96
    Black
    2.10
  10. 900#00321F
    White
    14.22
    Black
    1.47
  11. 950#001C10
    White
    17.89
    Black
    1.17

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

Gamut

How vivid #1CAC78 can get

At its lightness and hue, sRGB reaches OKLCH chroma 0.145; #1CAC78 uses 96% of it. Display P3, which many recent phones and laptops show, reaches 0.199 there: 37% more.

0.00.20.40.60.80.20.40.60.8 460480500520540560580600620
  • sRGB
  • Display P3
  • Rec. 2020
  • Dominant wavelength
OKLCH chroma
0.139
sRGB edge
0.145
Display P3 edge
0.199
Rec. 2020 edge
0.312
Dominant wavelength
515 nm
Excitation purity
21%
Chromaticity
x 0.2568, y 0.4290
  • This color#1CAC78
  • Most vivid in sRGB#00AD77
  • Most vivid in Display P3oklch(0.661 0.199 162.1)

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

Use the wider color where screens show it
.accent {
  color: #1cac78;
}
@media (color-gamut: p3) {
  .accent { color: color(display-p3 0 0.6977 0.4444); }
}

Mixing

Mixing #1CAC78

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%#8ED6BC
  • OKLab50%#9FD6BA
  • OKLCH50%#9FD6BA

Black #000000

  • sRGB50%#0E563C
  • OKLab50%#05402A
  • OKLCH50%#05402A

Its complement #CB6DAA

  • sRGB50%#748D91
  • OKLab50%#929292
  • OKLCH50%#C6820B
In CSS
/* A gradient and a mix, worked out in OKLCH */
background: linear-gradient(in oklch, #1cac78, white);
color: color-mix(in oklch, #1cac78 50%, white);

In use

#1CAC78 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, 4.5:17.22:1 Passes
  • Link and body-size textText, 4.5:12.90:1 Fails
  • Large headingLarge text, 3:12.90:1 Fails
  • Icons, borders and focus ringsNon-text, 3:12.90:1 Fails

For text on this page, the nearest shade that passes is #00875C 4.54:1

Dark page

  • Button labelText, 4.5:17.22:1 Passes
  • Link and body-size textText, 4.5:16.44:1 Passes
  • Large headingLarge text, 3:16.44:1 Passes
  • Icons, borders and focus ringsNon-text, 3:16.44:1 Passes

Color vision

How #1CAC78 looks with color blindness

Achromatopsia changes it most, ΔE2000 25.0; tritanopia changes it least, 11.4.

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

    #A99F75 ΔE2000 24.1

    Distinct

    Reads as light muted amber

  • Deuteranopia

    No working green (medium-wavelength) cones

    #99927B ΔE2000 23.8

    Distinct

    Reads as grayish amber

  • Tritanopia

    No working blue (short-wavelength) cones

    #00AC9E ΔE2000 11.4

    Distinct

    Reads as light soft cyan

  • Achromatopsia

    No cone color vision; lightness only

    #979797 ΔE2000 25.0

    Distinct

    Reads as gray

Pairing check

Checked against its complement, #CB6DAA. Their lightness contrast is only 1.14:1, so where hue collapses, add a label, icon or pattern.

VisionThe pairΔE2000Verdict
Normal vision#1CAC78 · #CB6DAA50.0Stays distinct
Protanopia#A99F75 · #7283AC35.1Stays distinct
Deuteranopia#99927B · #8B92A721.0Stays distinct
Tritanopia#00AC9E · #D56E8458.8Stays distinct
Achromatopsia#979797 · #8D8D8D3.3Easily confused

Harmony

Color harmonies for #1CAC78

Its complement is #CB6DAA, a light soft magenta, 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#1CAC78
  • Complement#CB6DAA

Complementary

Open in Harmony Studio
  • −30°#72A443
  • Base#1CAC78
  • +30°#00A8A4

Analogous

Open in Harmony Studio
  • Base#1CAC78
  • +120°#8686E4
  • +240°#D77249

Triadic

Open in Harmony Studio
  • Base#1CAC78
  • +150°#AF77CF
  • +210°#D96B7B

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-green: #1cac78;
}

Tailwind config

// tailwind.config.js
module.exports = {
  theme: {
    extend: {
      colors: {
        'crayola-green': '#1cac78',
      },
    },
  },
};

Tailwind v4 theme

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

@theme {
  --color-crayola-green: oklch(0.661 0.139 162.1);
}

Design token (W3C DTCG)

{
  "color": {
    "crayola-green": {
      "$type": "color",
      "$value": {
        "colorSpace": "srgb",
        "components": [0.1098, 0.6745, 0.4706],
        "hex": "#1cac78"
      },
      "$description": "Crayola Green"
    }
  }
}

SwiftUI color

import SwiftUI

enum Palette {
    static let crayolaGreen = Color(.sRGB, red: 0.110, green: 0.675, blue: 0.471, opacity: 1)
}

Jetpack Compose color

import androidx.compose.ui.graphics.Color

object Palette {
    val CrayolaGreen = Color(0xFF1CAC78)
}

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.

Neighbors

The eight nearest colors on this site by ΔE2000, closest first. Under 2 is hard to tell apart side by side.

Tools

Open #1CAC78 in the tools

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