CSS named color

Medium Turquoise #48D1CC

The CSS keyword mediumturquoise is #48D1CC. It is a light soft cyan in the cyan family. In OKLCH it sits at lightness 0.787, chroma 0.116 and hue 191.6°.

Relative luminance
0.5134
OKLCH L · C · h
0.787 · 0.116 · 191.6
Best text
Black 11.26:1
Hue family
Cyan

#48D1CC color codes

HEX
#48D1CC
RGB
rgb(72, 209, 204)
HSL
hsl(178, 60%, 55%)
OKLCH
oklch(0.787 0.116 191.6)
OKLab
oklab(0.787 -0.114 -0.023)
CIELAB (D65)
L* 76.88, a* -37.36, b* -8.35
XYZ (D65)
X 36.37, Y 51.33, Z 65.11
CMYK (naive)
cmyk(66%, 0%, 2%, 18%)

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.

Legibility

Contrast: is #48D1CC accessible?

Black text on it reaches 11.26:1, passing AAA. White text fails at 1.86:1.

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

    11.26:1

    • AA passes
    • AA large passes
    • AAA passes
    • APCA Lc +69
  • White text on it

    1.86:1

    • AA fails
    • AA large fails
    • AAA fails
    • APCA Lc −39
  • As text on black

    11.26:1

    • AA passes
    • AA large passes
    • AAA passes
    • APCA Lc −67
  • As text on white

    1.86:1

    • AA fails
    • AA large fails
    • AAA fails
    • APCA Lc +34

Nearest versions that pass 4.5:1

  • For text on white

    #008380 4.60:1

    Darkening its OKLCH lightness from 0.79 to 0.55 reaches 4.60:1 on white, keeping the hue.

  • For text on black

    #48D1CC 11.26:1

    It already reaches 11.26:1 on black, so no change is needed.

Checking another pair? Use the Contrast Checker.

Studio

Adjust #48D1CC 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 #48D1CC

Eleven OKLCH lightness steps at this hue, each with its contrast against white and black. #48D1CC sits at step 300.

  1. 50#D5FFFC
    White
    1.07
    Black
    19.53
  2. 100#A1FFFA
    White
    1.15
    Black
    18.19
  3. 200#7FEDE8
    White
    1.38
    Black
    15.18
  4. 300This color#48D1CC
    White
    1.86
    Black
    11.26
  5. 400#29B8B3
    White
    2.44
    Black
    8.60
  6. 500#009A96
    White
    3.46
    Black
    6.06
  7. 600#007F7C
    White
    4.85
    Black
    4.32
  8. 700#006663
    White
    6.81
    Black
    3.08
  9. 800#004A48
    White
    10.12
    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 #48D1CC can get

At its lightness and hue, sRGB reaches OKLCH chroma 0.135; #48D1CC uses 86% of it. Display P3, which many recent phones and laptops show, reaches 0.182 there: 35% more.

0.00.20.40.60.80.20.40.60.8 460480500520540560580600620
  • sRGB
  • Display P3
  • Rec. 2020
  • Dominant wavelength
OKLCH chroma
0.116
sRGB edge
0.135
Display P3 edge
0.182
Rec. 2020 edge
0.294
Dominant wavelength
493 nm
Excitation purity
27%
Chromaticity
x 0.2380, y 0.3359
  • This color#48D1CC
  • Most vivid in sRGB#00D4CF
  • Most vivid in Display P3oklch(0.787 0.182 191.6)

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

Use the wider color where screens show it
.accent {
  color: #48d1cc;
}
@media (color-gamut: p3) {
  .accent { color: color(display-p3 0 0.8475 0.8347); }
}

Mixing

Mixing #48D1CC

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%#A4E8E6
  • OKLab50%#B0E9E5
  • OKLCH50%#B0E9E5

Black #000000

  • sRGB50%#246966
  • OKLab50%#16504E
  • OKLCH50%#16504E

Its complement #FA9AA6

  • sRGB50%#A1B6B9
  • OKLab50%#B9BAB9
  • OKLCH50%#C9BC5F
In CSS
/* A gradient and a mix, worked out in OKLCH */
background: linear-gradient(in oklch, #48d1cc, white);
color: color-mix(in oklch, #48d1cc 50%, white);

In use

#48D1CC 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, 4.5:111.26:1 Passes
  • Link and body-size textText, 4.5:11.86:1 Fails
  • Large headingLarge text, 3:11.86:1 Fails
  • Icons, borders and focus ringsNon-text, 3:11.86:1 Fails

For text on this page, the nearest shade that passes is #008380 4.60:1

Dark page

  • Button labelText, 4.5:111.26:1 Passes
  • Link and body-size textText, 4.5:110.05:1 Passes
  • Large headingLarge text, 3:110.05:1 Passes
  • Icons, borders and focus ringsNon-text, 3:110.05:1 Passes

Color vision

How #48D1CC looks with color blindness

Deuteranopia changes it most, ΔE2000 24.9; tritanopia changes it least, 2.7.

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

    #C5C7CC ΔE2000 23.9

    Distinct

    Reads as light gray

  • Deuteranopia

    No working green (medium-wavelength) cones

    #B0B7CD ΔE2000 24.9

    Distinct

    Reads as light grayish blue

  • Tritanopia

    No working blue (short-wavelength) cones

    #00D7CF ΔE2000 2.7

    Close match

    Reads as light soft cyan

  • Achromatopsia

    No cone color vision; lightness only

    #BEBEBE ΔE2000 23.5

    Distinct

    Reads as light gray

Pairing check

Checked against its complement, #FA9AA6. Their lightness contrast is only 1.10:1, so where hue collapses, add a label, icon or pattern.

VisionThe pairΔE2000Verdict
Normal vision#48D1CC · #FA9AA653.7Stays distinct
Protanopia#C5C7CC · #ABAAA69.2Harder to tell apart
Deuteranopia#B0B7CD · #C2BCA421.2Stays distinct
Tritanopia#00D7CF · #FF919E59.5Stays distinct
Achromatopsia#BEBEBE · #B5B5B52.4Easily confused

Harmony

Color harmonies for #48D1CC

Its complement is #FA9AA6, 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#48D1CC
  • Complement#FA9AA6

Complementary

Open in Harmony Studio
  • −30°#6ED1A2
  • Base#48D1CC
  • +30°#54CAEE
  • Base#48D1CC
  • +120°#D2A4F0
  • +240°#E8AD61
  • Base#48D1CC
  • +150°#ED9BCF
  • +210°#F9A07E

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-mediumturquoise: #48d1cc;
}

Tailwind config

// tailwind.config.js
module.exports = {
  theme: {
    extend: {
      colors: {
        mediumturquoise: '#48d1cc',
      },
    },
  },
};

Tailwind v4 theme

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

@theme {
  --color-mediumturquoise: oklch(0.787 0.116 191.6);
}

Design token (W3C DTCG)

{
  "color": {
    "mediumturquoise": {
      "$type": "color",
      "$value": {
        "colorSpace": "srgb",
        "components": [0.2824, 0.8196, 0.8],
        "hex": "#48d1cc"
      },
      "$description": "CSS named color mediumturquoise"
    }
  }
}

SwiftUI color

import SwiftUI

enum Palette {
    static let mediumturquoise = Color(.sRGB, red: 0.282, green: 0.820, blue: 0.800, opacity: 1)
}

Jetpack Compose color

import androidx.compose.ui.graphics.Color

object Palette {
    val Mediumturquoise = Color(0xFF48D1CC)
}

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 #48D1CC in the tools

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