#42CF57#42CF57

#42CF57 is a light, highly saturated green. Relative luminance 0.465; OKLCH L 75.4% C 0.201 H 145.6°. Best body text is #000000 at 10.29:1 contrast (WCAG AA passes).

Color values

HEX	#42CF57
RGB	rgb(66, 207, 87)
HSL	hsl(129, 59%, 54%)
HSV	hsv(129, 68%, 81%)
CMYK	cmyk(68.1%, 0%, 58%, 18.8%)
CIE-LAB	lab(73.85, -61.55, 48.07)
CIE-LCH	lch(73.85, 78.10, 142.01°)
OKLab	oklab(75.4% -0.1662 0.1138)
OKLCH	oklch(75.4% 0.201 145.6)
XYZ	xyz(26.2781, 46.4692, 16.5995)
Luminance	0.4647 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#42CF57 #CF42BA

analogous

#73CF42 #42CF57 #42CF9D

triadic

#42CF57 #5742CF #CF5742

tetradic

#42CF57 #4273CF #CF42BA #CF9D42

square

#42CF57 #4273CF #CF42BA #CF9D42

split-complementary

#42CF57 #9D42CF #CF4273

monochromatic

#1F782C #2BA93E #42CF57 #73DB82 #A4E8AE

Accessibility & contrast

On white

2.04

#42CF57 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

10.29

#42CF57 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #42CF57

10.29:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##42CF57	#FFFFFF	#000000	##000000
##42CF57	1.00	2.04	10.29	10.29
#FFFFFF	2.04	1.00	21.00	21.00
#000000	10.29	21.00	1.00	1.00
##000000	10.29	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#D2BD4B

Deuteranopia (green-blind)

#C1B161

Tritanopia (blue-blind)

#0BCAB5

Achromatopsia (no color)

#B5B5B5

Design tokens & code

CSS

--color: #42cf57;
/* rgb */ color: rgb(66, 207, 87);
/* oklch */ color: oklch(75.4% 0.201 145.6);

Tailwind

colors: {
  custom: {
    50: '#88df8a',
    500: '#42cf57',
    950: '#000000',
  },
}

SCSS

$custom: #42cf57;
$custom-light: #88df8a;
$custom-dark: #000000;

JSON

{
  "hex": "#42cf57",
  "rgb": {
    "r": 66,
    "g": 207,
    "b": 87
  },
  "hsl": {
    "h": 128.936,
    "s": 59.494,
    "l": 53.529
  },
  "oklch": {
    "l": 0.75404,
    "c": 0.20144,
    "h": 145.6
  },
  "luminance": 0.46472
}

Semantic roles & 50–950 ramp

primary

#42CF57

secondary

#D598CC

accent

#45CBE3

background

#F9FDF8

surface

#F1FBF0

border

#CBD4CB

text

#0D150C

muted

#7E837D

Preview Lab

Preview with #42CF57

Body copy rendered with the generated semantic roles for this colour.

Preview Lab → · Contrast checker → · Palette generator →