Crayola crayon color

Crayola Fern #71BC78

Crayola Fern is shown here as #71BC78, the commonly published value for the crayon. It is a light soft green in the green family. In OKLCH it sits at lightness 0.729, chroma 0.123 and hue 146.3°. The nearest CSS named color is mediumseagreen (#3CB371), ΔE2000 6.0 away.

Relative luminance
0.4083
OKLCH L · C · h
0.729 · 0.123 · 146.3
Best text
Black 9.16:1
Hue family
Green

#71BC78 color codes

HEX
#71BC78
RGB
rgb(113, 188, 120)
HSL
hsl(126, 36%, 59%)
OKLCH
oklch(0.729 0.123 146.3)
OKLab
oklab(0.729 -0.102 0.068)
CIELAB (D65)
L* 70.06, a* -37.53, b* 27.29
XYZ (D65)
X 28.18, Y 40.83, Z 24.16
CMYK (naive)
cmyk(40%, 0%, 36%, 26%)

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 #71BC78 accessible?

Black text on it reaches 9.16:1, passing AAA. White text fails at 2.29:1.

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

    9.16:1

    • AA passes
    • AA large passes
    • AAA passes
    • APCA Lc +58
  • White text on it

    2.29:1

    • AA fails
    • AA large fails
    • AAA fails
    • APCA Lc −49
  • As text on black

    9.16:1

    • AA passes
    • AA large passes
    • AAA passes
    • APCA Lc −57
  • As text on white

    2.29:1

    • AA fails
    • AA large fails
    • AAA fails
    • APCA Lc +45

Nearest versions that pass 4.5:1

  • For text on white

    #3B8544 4.54:1

    Darkening its OKLCH lightness from 0.73 to 0.55 reaches 4.54:1 on white, keeping the hue.

  • For text on black

    #71BC78 9.16:1

    It already reaches 9.16:1 on black, so no change is needed.

Checking another pair? Use the Contrast Checker.

Studio

Adjust #71BC78 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 #71BC78

Eleven OKLCH lightness steps at this hue, each with its contrast against white and black. #71BC78 sits at step 400.

  1. 50#E0FFE1
    White
    1.07
    Black
    19.56
  2. 100#BFFEC3
    White
    1.15
    Black
    18.18
  3. 200#A8EBAD
    White
    1.38
    Black
    15.15
  4. 300#8BD291
    White
    1.79
    Black
    11.72
  5. 400This color#71BC78
    White
    2.29
    Black
    9.16
  6. 500#4F9A58
    White
    3.44
    Black
    6.09
  7. 600#378141
    White
    4.79
    Black
    4.37
  8. 700#1E692C
    White
    6.74
    Black
    3.11
  9. 800#004E15
    White
    9.99
    Black
    2.10
  10. 900#00330B
    White
    14.20
    Black
    1.47
  11. 950#001D04
    White
    17.83
    Black
    1.17

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

Gamut

How vivid #71BC78 can get

At its lightness and hue, sRGB reaches OKLCH chroma 0.221; #71BC78 uses 56% of it. Display P3, which many recent phones and laptops show, reaches 0.310 there: 40% more.

0.00.20.40.60.80.20.40.60.8 460480500520540560580600620
  • sRGB
  • Display P3
  • Rec. 2020
  • Dominant wavelength
OKLCH chroma
0.123
sRGB edge
0.221
Display P3 edge
0.310
Rec. 2020 edge
0.336
Dominant wavelength
547 nm
Excitation purity
28%
Chromaticity
x 0.3025, y 0.4382
  • This color#71BC78
  • Most vivid in sRGB#00C945
  • Most vivid in Display P3oklch(0.729 0.310 146.3)

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

Use the wider color where screens show it
.accent {
  color: #71bc78;
}
@media (color-gamut: p3) {
  .accent { color: color(display-p3 0 0.816 0.1017); }
}

Mixing

Mixing #71BC78

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%#B8DEBC
  • OKLab50%#B9DEBB
  • OKLCH50%#B9DEBB

Black #000000

  • sRGB50%#395E3C
  • OKLab50%#27472A
  • OKLCH50%#27472A

Its complement #CF8BD0

  • sRGB50%#A0A4A4
  • OKLab50%#A7A7A7
  • OKLCH50%#4EB2EA
In CSS
/* A gradient and a mix, worked out in OKLCH */
background: linear-gradient(in oklch, #71bc78, white);
color: color-mix(in oklch, #71bc78 50%, white);

In use

#71BC78 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, 4.5:19.16:1 Passes
  • Link and body-size textText, 4.5:12.29:1 Fails
  • Large headingLarge text, 3:12.29:1 Fails
  • Icons, borders and focus ringsNon-text, 3:12.29:1 Fails

For text on this page, the nearest shade that passes is #3B8544 4.54:1

Dark page

  • Button labelText, 4.5:19.16:1 Passes
  • Link and body-size textText, 4.5:18.17:1 Passes
  • Large headingLarge text, 3:18.17:1 Passes
  • Icons, borders and focus ringsNon-text, 3:18.17:1 Passes

Color vision

How #71BC78 looks with color blindness

Achromatopsia changes it most, ΔE2000 24.1; tritanopia changes it least, 15.3.

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

    #BEB073 ΔE2000 19.8

    Distinct

    Reads as light muted amber

  • Deuteranopia

    No working green (medium-wavelength) cones

    #B3A87C ΔE2000 19.2

    Distinct

    Reads as light muted amber

  • Tritanopia

    No working blue (short-wavelength) cones

    #67B9AB ΔE2000 15.3

    Distinct

    Reads as light muted cyan

  • Achromatopsia

    No cone color vision; lightness only

    #ABABAB ΔE2000 24.1

    Distinct

    Reads as light gray

Pairing check

Checked against its complement, #CF8BD0. Their lightness contrast is only 1.11:1, so where hue collapses, add a label, icon or pattern.

VisionThe pairΔE2000Verdict
Normal vision#71BC78 · #CF8BD063.7Stays distinct
Protanopia#BEB073 · #869DD341.3Stays distinct
Deuteranopia#B3A87C · #97A5CE33.8Stays distinct
Tritanopia#67B9AB · #D391A446.5Stays distinct
Achromatopsia#ABABAB · #A2A2A22.7Easily confused

Harmony

Color harmonies for #71BC78

Its complement is #CF8BD0, a light soft magenta.

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

Open the Harmony Studio
  • Base#71BC78
  • Complement#CF8BD0

Complementary

Open in Harmony Studio
  • −30°#A3B150
  • Base#71BC78
  • +30°#35C0A5
  • Base#71BC78
  • +120°#83A5F5
  • +240°#EA877E
  • Base#71BC78
  • +150°#AF96EB
  • +210°#E485A9

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-fern: #71bc78;
}

Tailwind config

// tailwind.config.js
module.exports = {
  theme: {
    extend: {
      colors: {
        'crayola-fern': '#71bc78',
      },
    },
  },
};

Tailwind v4 theme

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

@theme {
  --color-crayola-fern: oklch(0.729 0.123 146.3);
}

Design token (W3C DTCG)

{
  "color": {
    "crayola-fern": {
      "$type": "color",
      "$value": {
        "colorSpace": "srgb",
        "components": [0.4431, 0.7373, 0.4706],
        "hex": "#71bc78"
      },
      "$description": "Crayola Fern"
    }
  }
}

SwiftUI color

import SwiftUI

enum Palette {
    static let crayolaFern = Color(.sRGB, red: 0.443, green: 0.737, blue: 0.471, opacity: 1)
}

Jetpack Compose color

import androidx.compose.ui.graphics.Color

object Palette {
    val CrayolaFern = Color(0xFF71BC78)
}

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 #71BC78 in the tools

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