Crayola crayon color

Crayola Tropical Rain Forest #17806D

Crayola Tropical Rain Forest is shown here as #17806D, the commonly published value for the crayon. It is a muted teal in the cyan family. In OKLCH it sits at lightness 0.539, chroma 0.094 and hue 176.7°. The nearest CSS named color is teal (#008080), ΔE2000 7.7 away.

Relative luminance
0.1672
OKLCH L · C · h
0.539 · 0.094 · 176.7
Best text
White 4.83:1
Hue family
Cyan
Inspect this color Check contrast

#17806D color codes

HEX
#17806D
RGB
rgb(23, 128, 109)
HSL
hsl(169, 70%, 30%)
OKLCH
oklch(0.539 0.094 176.7)
OKLab
oklab(0.539 -0.094 0.005)
CIELAB (D65)
L* 47.91, a* -33.06, b* 2.24
XYZ (D65)
X 10.83, Y 16.72, Z 17.12
CMYK (naive)
cmyk(82%, 0%, 15%, 50%)

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 #17806D accessible?

White text on it reaches 4.83:1, passing AA. Black text manages only 4.34:1, enough for large text only.

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

    4.34:1

    • AA fails
    • AA large passes
    • AAA fails
    • APCA Lc +30

  • White text on it

    4.83:1

    • AA passes
    • AA large passes
    • AAA fails
    • APCA Lc −78

  • As text on black

    4.34:1

    • AA fails
    • AA large passes
    • AAA fails
    • APCA Lc −28

  • As text on white

    4.83:1

    • AA passes
    • AA large passes
    • AAA fails
    • APCA Lc +73

Nearest versions that pass 4.5:1

  • For text on white

    #17806D 4.83:1

    It already reaches 4.83:1 on white, so no change is needed.

  • For text on black

    #1C8370 4.52:1

    Lightening its OKLCH lightness from 0.54 to 0.55 reaches 4.52:1 on black, keeping the hue.

    Compare both in the Contrast System

Checking another pair? Use the Contrast Checker.

Studio

Adjust #17806D 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 #17806D

Eleven OKLCH lightness steps at this hue, each with its contrast against white and black. #17806D sits at step 600.

  1. 50#D9FFF4
    White
    1.07
    Black
    19.56
  2. 100#B3FDEA
    White
    1.15
    Black
    18.15
  3. 200#9BEAD6
    White
    1.38
    Black
    15.13
  4. 300#7CD1BC
    White
    1.79
    Black
    11.70
  5. 400#5AB5A0
    White
    2.45
    Black
    8.55
  6. 500#399985
    White
    3.46
    Black
    6.06
  7. 600This color#17806D
    White
    4.83
    Black
    4.34
  8. 700#006757
    White
    6.82
    Black
    3.07
  9. 800#004B3F
    White
    10.10
    Black
    2.07
  10. 900#003128
    White
    14.28
    Black
    1.46
  11. 950#001B16
    White
    17.97
    Black
    1.16

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

Gamut

How vivid #17806D can get

At its lightness and hue, sRGB reaches OKLCH chroma 0.100; #17806D uses 94% of it. Display P3, which many recent phones and laptops show, reaches 0.136 there: 36% more.

0.00.20.40.60.80.20.40.60.8 460480500520540560580600620
  • sRGB
  • Display P3
  • Rec. 2020
  • Dominant wavelength
OKLCH chroma
0.094
sRGB edge
0.100
Display P3 edge
0.136
Rec. 2020 edge
0.216
Dominant wavelength
499 nm
Excitation purity
23%
Chromaticity
x 0.2424, y 0.3743
  • This color#17806D
  • Most vivid in sRGB#00816D
  • Most vivid in Display P3oklch(0.539 0.136 176.7)

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

Use the wider color where screens show it
.accent {
  color: #17806d;
}
@media (color-gamut: p3) {
  .accent { color: color(display-p3 0 0.5179 0.4291); }
}

Mixing

Mixing #17806D

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%#8BC0B6
  • OKLab50%#95BEB3
  • OKLCH50%#95BEB3

Black #000000

  • sRGB50%#0C4037
  • OKLab50%#042E26
  • OKLCH50%#042E26

Its complement #9A566F

  • sRGB50%#596B6E
  • OKLab50%#6F6E6E
  • OKLCH50%#866A23
In CSS
/* A gradient and a mix, worked out in OKLCH */
background: linear-gradient(in oklch, #17806d, white);
color: color-mix(in oklch, #17806d 50%, white);

In use

#17806D 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, 4.5:14.83:1 Passes
  • Link and body-size textText, 4.5:14.83:1 Passes
  • Large headingLarge text, 3:14.83:1 Passes
  • Icons, borders and focus ringsNon-text, 3:14.83:1 Passes

Dark page

  • Button labelText, 4.5:14.83:1 Passes
  • Link and body-size textText, 4.5:13.87:1 Fails
  • Large headingLarge text, 3:13.87:1 Passes
  • Icons, borders and focus ringsNon-text, 3:13.87:1 Passes

For text on this page, the nearest shade that passes is #278B77 4.50:1

Color vision

How #17806D looks with color blindness

Protanopia changes it most, ΔE2000 22.6; tritanopia changes it least, 4.5.

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

    #7B776C ΔE2000 22.6

    Distinct

    Reads as gray

  • Deuteranopia

    No working green (medium-wavelength) cones

    #6D6E6E ΔE2000 22.2

    Distinct

    Reads as gray

  • Tritanopia

    No working blue (short-wavelength) cones

    #00827A ΔE2000 4.5

    Close match

    Reads as muted teal

  • Achromatopsia

    No cone color vision; lightness only

    #727272 ΔE2000 22.6

    Distinct

    Reads as gray

Pairing check

Checked against its complement, #9A566F. Their lightness contrast is only 1.10:1, so where hue collapses, add a label, icon or pattern.

VisionThe pairΔE2000Verdict
Normal vision#17806D · #9A566F51.5Stays distinct
Protanopia#7B776C · #5F637015.2Stays distinct
Deuteranopia#6D6E6E · #70706D1.9Easily confused
Tritanopia#00827A · #A4525F50.6Stays distinct
Achromatopsia#727272 · #6B6B6B2.7Easily confused

Harmony

Color harmonies for #17806D

Its complement is #9A566F, a 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#17806D
  • Complement#9A566F

Complementary

Open in Harmony Studio
  • −30°#477D4D
  • Base#17806D
  • +30°#007D89

Analogous

Open in Harmony Studio
  • Base#17806D
  • +120°#74629F
  • +240°#985F33

Triadic

Open in Harmony Studio
  • Base#17806D
  • +150°#8B5A8B
  • +210°#9E5750

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-tropical-rain-forest: #17806d;
}

Tailwind config

// tailwind.config.js
module.exports = {
  theme: {
    extend: {
      colors: {
        'crayola-tropical-rain-forest': '#17806d',
      },
    },
  },
};

Tailwind v4 theme

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

@theme {
  --color-crayola-tropical-rain-forest: oklch(0.539 0.094 176.7);
}

Design token (W3C DTCG)

{
  "color": {
    "crayola-tropical-rain-forest": {
      "$type": "color",
      "$value": {
        "colorSpace": "srgb",
        "components": [0.0902, 0.502, 0.4275],
        "hex": "#17806d"
      },
      "$description": "Crayola Tropical Rain Forest"
    }
  }
}

SwiftUI color

import SwiftUI

enum Palette {
    static let crayolaTropicalRainForest = Color(.sRGB, red: 0.090, green: 0.502, blue: 0.427, opacity: 1)
}

Jetpack Compose color

import androidx.compose.ui.graphics.Color

object Palette {
    val CrayolaTropicalRainForest = Color(0xFF17806D)
}

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 #17806D in the tools

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