CSS named color

Honeydew #F0FFF0

The CSS keyword honeydew is #F0FFF0. It is a pale grayish green in the neutral family. In OKLCH it sits at lightness 0.985, chroma 0.025 and hue 145.4°.

Relative luminance
0.9634
OKLCH L · C · h
0.985 · 0.025 · 145.4
Best text
Black 20.26:1
Hue family
Neutral
Inspect this color Check contrast

#F0FFF0 color codes

HEX
#F0FFF0
RGB
rgb(240, 255, 240)
HSL
hsl(120, 100%, 97%)
OKLCH
oklch(0.985 0.025 145.4)
OKLab
oklab(0.985 -0.021 0.014)
CIELAB (D65)
L* 98.57, a* -7.56, b* 5.48
XYZ (D65)
X 87.42, Y 96.34, Z 96.41
CMYK (naive)
cmyk(6%, 0%, 6%, 0%)

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 #F0FFF0 accessible?

Black text on it reaches 20.26:1, passing AAA. White text fails at 1.03:1.

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

    20.26:1

    • AA passes
    • AA large passes
    • AAA passes
    • APCA Lc +103

  • White text on it

    1.03:1

    • AA fails
    • AA large fails
    • AAA fails
    • APCA Lc 0

    Text is here, unreadable at 1.03:1

  • As text on black

    20.26:1

    • AA passes
    • AA large passes
    • AAA passes
    • APCA Lc −105

  • As text on white

    1.03:1

    • AA fails
    • AA large fails
    • AAA fails
    • APCA Lc 0

    Text is here, unreadable at 1.03:1

Nearest versions that pass 4.5:1

  • For text on white

    #6D7A6D 4.51:1

    Darkening its OKLCH lightness from 0.98 to 0.56 reaches 4.51:1 on white, keeping the hue.

    Compare both in the Contrast System

  • For text on black

    #F0FFF0 20.26:1

    It already reaches 20.26:1 on black, so no change is needed.

Checking another pair? Use the Contrast Checker.

Studio

Adjust #F0FFF0 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 #F0FFF0

Eleven OKLCH lightness steps at this hue, each with its contrast against white and black. #F0FFF0 sits at step 50.

  1. 50This color#F0FFF0
    White
    1.03
    Black
    20.26
  2. 100#E3EFE3
    White
    1.18
    Black
    17.72
  3. 200#CFDCCF
    White
    1.41
    Black
    14.79
  4. 300#B5C2B5
    White
    1.85
    Black
    11.34
  5. 400#98A698
    White
    2.54
    Black
    8.24
  6. 500#7D8A7D
    White
    3.61
    Black
    5.80
  7. 600#667366
    White
    4.98
    Black
    4.20
  8. 700#505C50
    White
    7.02
    Black
    2.98
  9. 800#384338
    White
    10.35
    Black
    2.02
  10. 900#222C23
    White
    14.45
    Black
    1.45
  11. 950#111811
    White
    18.06
    Black
    1.16

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

Gamut

How vivid #F0FFF0 can get

At its lightness and hue, sRGB reaches OKLCH chroma 0.025; #F0FFF0 uses 100% of it. Display P3, which many recent phones and laptops show, reaches 0.028 there: 11% more.

0.00.20.40.60.80.20.40.60.8 460480500520540560580600620
  • sRGB
  • Display P3
  • Rec. 2020
  • Dominant wavelength
OKLCH chroma
0.025
sRGB edge
0.025
Display P3 edge
0.028
Rec. 2020 edge
0.033
Dominant wavelength
549 nm
Excitation purity
4%
Chromaticity
x 0.3120, y 0.3439
  • This color#F0FFF0
  • Most vivid in sRGB#F0FFF0
  • Most vivid in Display P3oklch(0.985 0.028 145.4)

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

Use the wider color where screens show it
.accent {
  color: #f0fff0;
}
@media (color-gamut: p3) {
  .accent { color: color(display-p3 0.9489 1 0.9417); }
}

Mixing

Mixing #F0FFF0

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%#F8FFF8
  • OKLab50%#F8FFF8
  • OKLCH50%#F8FFF8

Black #000000

  • sRGB50%#788078
  • OKLab50%#5D635D
  • OKLCH50%#5D635D

Its complement #FFF7FF

  • sRGB50%#F8FBF8
  • OKLab50%#F8FBF8
  • OKLCH50%#FFF9F4
In CSS
/* A gradient and a mix, worked out in OKLCH */
background: linear-gradient(in oklch, #f0fff0, white);
color: color-mix(in oklch, #f0fff0 50%, white);

In use

#F0FFF0 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, 4.5:120.26:1 Passes
  • Link and body-size textText, 4.5:11.03:1 Fails
  • Large headingLarge text, 3:11.03:1 Fails
  • Icons, borders and focus ringsNon-text, 3:11.03:1 Fails

For text on this page, the nearest shade that passes is #6D7A6D 4.51:1

Dark page

  • Button labelText, 4.5:120.26:1 Passes
  • Link and body-size textText, 4.5:118.08:1 Passes
  • Large headingLarge text, 3:118.08:1 Passes
  • Icons, borders and focus ringsNon-text, 3:118.08:1 Passes

Color vision

How #F0FFF0 looks with color blindness

Achromatopsia changes it most, ΔE2000 9.8; tritanopia changes it least, 4.6.

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

    #FFFCEF ΔE2000 7.6

    Noticeable

    Reads as white

  • Deuteranopia

    No working green (medium-wavelength) cones

    #FDFAF1 ΔE2000 8.3

    Noticeable

    Reads as off-white

  • Tritanopia

    No working blue (short-wavelength) cones

    #EFFEFA ΔE2000 4.6

    Close match

    Reads as off-white

  • Achromatopsia

    No cone color vision; lightness only

    #FBFBFB ΔE2000 9.8

    Noticeable

    Reads as white

Pairing check

A near-neutral has no complementary hue to pair with, so tell it apart from neighboring grays by lightness contrast alone.

Harmony

Color harmonies for #F0FFF0

Its complement is #FFF7FF, an off-white.

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

Open the Harmony Studio
  • Base#F0FFF0
  • Complement#FFF7FF

Complementary

Open in Harmony Studio
  • −30°#F9FDE9
  • Base#F0FFF0
  • +30°#ECFFF9

Analogous

Open in Harmony Studio
  • Base#F0FFF0
  • +120°#F8FAFF
  • +240°#FFF8F7

Triadic

Open in Harmony Studio
  • Base#F0FFF0
  • +150°#FAF9FF
  • +210°#FFF8FA

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-honeydew: #f0fff0;
}

Tailwind config

// tailwind.config.js
module.exports = {
  theme: {
    extend: {
      colors: {
        honeydew: '#f0fff0',
      },
    },
  },
};

Tailwind v4 theme

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

@theme {
  --color-honeydew: oklch(0.985 0.025 145.4);
}

Design token (W3C DTCG)

{
  "color": {
    "honeydew": {
      "$type": "color",
      "$value": {
        "colorSpace": "srgb",
        "components": [0.9412, 1, 0.9412],
        "hex": "#f0fff0"
      },
      "$description": "CSS named color honeydew"
    }
  }
}

SwiftUI color

import SwiftUI

enum Palette {
    static let honeydew = Color(.sRGB, red: 0.941, green: 1.000, blue: 0.941, opacity: 1)
}

Jetpack Compose color

import androidx.compose.ui.graphics.Color

object Palette {
    val Honeydew = Color(0xFFF0FFF0)
}

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 #F0FFF0 in the tools

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