Crayola crayon color

Crayola Teal Blue #18A7B5

Crayola Teal Blue is shown here as #18A7B5, the commonly published value for the crayon. It is a light soft cyan in the cyan family. In OKLCH it sits at lightness 0.667, chroma 0.110 and hue 205.7°. The nearest CSS named color is cadetblue (#5F9EA0), ΔE2000 6.8 away.

Relative luminance: 0.3117
OKLCH L · C · h: 0.667 · 0.110 · 205.7
Best text: Black 7.23:1
Hue family: Cyan

Inspect this color Check contrast

#18A7B5 color codes

HEX: #18A7B5
RGB: rgb(24, 167, 181)
HSL: hsl(185, 77%, 40%)
OKLCH: oklch(0.667 0.110 205.7)
OKLab: oklab(0.667 -0.099 -0.048)
CIELAB (D65): L* 62.65, a* -29.54, b* -17.18
XYZ (D65): X 22.53, Y 31.16, Z 48.53
CMYK (naive): cmyk(87%, 8%, 0%, 29%)

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 #18A7B5 accessible?

Black text on it reaches 7.23:1, 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

7.23:1
- 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

7.23:1
- 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

#00838F 4.52:1

Darkening its OKLCH lightness from 0.67 to 0.56 reaches 4.52:1 on white, keeping the hue.

Compare both in the Contrast System
For text on black

#18A7B5 7.23:1

It already reaches 7.23:1 on black, so no change is needed.

Checking another pair? Use the Contrast Checker.

Studio

Adjust #18A7B5 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 #18A7B5

Eleven OKLCH lightness steps at this hue, each with its contrast against white and black. #18A7B5 sits at step 400.

50#DFFBFF

White
1.08
Black
19.38
100#BCF8FF

White
1.16
Black
18.00
200#84EAF7

White
1.39
Black
15.09
300#60D1DE

White
1.79
Black
11.67
400This color#18A7B5

White
2.90
Black
7.23
500#0098A5

White
3.47
Black
6.03
600#007E89

White
4.83
Black
4.34
700#00646D

White
6.89
Black
3.04
800#004950

White
10.15
Black
2.06
900#002F34

White
14.42
Black
1.45
950#001A1E

White
18.00
Black
1.16

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

Gamut

How vivid #18A7B5 can get

At its lightness and hue, sRGB reaches OKLCH chroma 0.114; #18A7B5 uses 97% of it. Display P3, which many recent phones and laptops show, reaches 0.152 there: 34% more.

sRGB
Display P3
Rec. 2020
Dominant wavelength

OKLCH chroma: 0.110
sRGB edge: 0.114
Display P3 edge: 0.152
Rec. 2020 edge: 0.251
Dominant wavelength: 488 nm
Excitation purity: 36%
Chromaticity: x 0.2204, y 0.3048

This color#18A7B5
Most vivid in sRGB#00A8B6
Most vivid in Display P3oklch(0.667 0.152 205.7)

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

Use the wider color where screens show it

.accent {
  color: #18a7b5;
}
@media (color-gamut: p3) {
  .accent { color: color(display-p3 0 0.6649 0.7456); }
}

Mixing

Mixing #18A7B5

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%#8CD3DA
OKLab50%#9FD3DA
OKLCH50%#9FD3DA

Black #000000

sRGB50%#0C545B
OKLab50%#043E44
OKLCH50%#043E44

Its complement #CF7871

sRGB50%#749093
OKLab50%#949494
OKLCH50%#9A86D0

In CSS

/* A gradient and a mix, worked out in OKLCH */
background: linear-gradient(in oklch, #18a7b5, white);
color: color-mix(in oklch, #18a7b5 50%, white);

In use

#18A7B5 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, 4.5:17.23:1 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 #00838F 4.52:1

Dark page

Button labelText, 4.5:17.23:1 Passes
Link and body-size textText, 4.5:16.45:1 Passes
Large headingLarge text, 3:16.45:1 Passes
Icons, borders and focus ringsNon-text, 3:16.45:1 Passes

Color vision

How #18A7B5 looks with color blindness

Deuteranopia changes it most, ΔE2000 22.5; tritanopia changes it least, 7.3.

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

#98A0B6 ΔE2000 22.4

Distinct

Reads as light grayish blue
Deuteranopia

No working green (medium-wavelength) cones

#8491B5 ΔE2000 22.5

Distinct

Reads as muted blue
Tritanopia

No working blue (short-wavelength) cones

#00AFAB ΔE2000 7.3

Noticeable

Reads as light soft cyan
Achromatopsia

No cone color vision; lightness only

#979797 ΔE2000 22.1

Distinct

Reads as gray

Pairing check

Checked against its complement, #CF7871. Their lightness contrast is only 1.09:1, so where hue collapses, add a label, icon or pattern.

Vision	The pair	ΔE2000	Verdict
Normal vision	#18A7B5 · #CF7871	58.3	Stays distinct
Protanopia	#98A0B6 · #8B8570	22.5	Stays distinct
Deuteranopia	#8491B5 · #A09770	31.6	Stays distinct
Tritanopia	#00AFAB · #DF6C77	56.9	Stays distinct
Achromatopsia	#979797 · #909090	2.3	Easily confused

Harmony

Color harmonies for #18A7B5

Its complement is #CF7871, a light soft 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#18A7B5
Complement#CF7871

Complementary

Open in Harmony Studio

−30°#33AA91
Base#18A7B5
+30°#469ECE

Analogous

Open in Harmony Studio

Base#18A7B5
+120°#B77CB9
+240°#B28F3B

Triadic

Open in Harmony Studio

Base#18A7B5
+150°#C97697
+210°#C8814E

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-teal-blue: #18a7b5;
}

Tailwind config

// tailwind.config.js
module.exports = {
  theme: {
    extend: {
      colors: {
        'crayola-teal-blue': '#18a7b5',
      },
    },
  },
};

Tailwind v4 theme

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

@theme {
  --color-crayola-teal-blue: oklch(0.667 0.110 205.7);
}

Design token (W3C DTCG)

{
  "color": {
    "crayola-teal-blue": {
      "$type": "color",
      "$value": {
        "colorSpace": "srgb",
        "components": [0.0941, 0.6549, 0.7098],
        "hex": "#18a7b5"
      },
      "$description": "Crayola Teal Blue"
    }
  }
}

SwiftUI color

import SwiftUI

enum Palette {
    static let crayolaTealBlue = Color(.sRGB, red: 0.094, green: 0.655, blue: 0.710, opacity: 1)
}

Jetpack Compose color

import androidx.compose.ui.graphics.Color

object Palette {
    val CrayolaTealBlue = Color(0xFF18A7B5)
}

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 #18A7B5 in the tools

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

Crayola Teal Blue #18A7B5

#18A7B5 color codes

Contrast: is #18A7B5 accessible?

Black text on it

White text on it

As text on black

As text on white

Nearest versions that pass 4.5:1

Adjust #18A7B5 live

Shades and tints of #18A7B5

How vivid #18A7B5 can get

Mixing #18A7B5

#18A7B5 in an interface

How #18A7B5 looks with color blindness

Protanopia

Deuteranopia

Tritanopia

Achromatopsia

Pairing check

Color harmonies for #18A7B5

Complementary

Analogous

Triadic

Split-complementary

Design tokens

CSS custom property

Tailwind config

Tailwind v4 theme

Design token (W3C DTCG)

SwiftUI color

Jetpack Compose color

The nearest match in each system

Similar colors

Open #18A7B5 in the tools