#42CB57#42CB57

#42CB57 is a light, vivid green. Relative luminance 0.446; OKLCH L 74.4% C 0.197 H 145.8°. Best body text is #000000 at 9.91:1 contrast (WCAG AA passes).

Color values

HEX	#42CB57
RGB	rgb(66, 203, 87)
HSL	hsl(129, 57%, 53%)
HSV	hsv(129, 67%, 80%)
CMYK	cmyk(67.5%, 0%, 57.1%, 20.4%)
CIE-LAB	lab(72.60, -60.16, 46.60)
CIE-LCH	lch(72.60, 76.10, 142.24°)
OKLab	oklab(74.37% -0.1625 0.1106)
OKLCH	oklch(74.37% 0.197 145.8)
XYZ	xyz(25.3213, 44.5555, 16.2806)
Luminance	0.4456 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#42CB57 #CB42B6

analogous

#72CB42 #42CB57 #42CB9B

triadic

#42CB57 #5742CB #CB5742

tetradic

#42CB57 #4272CB #CB42B6 #CB9B42

square

#42CB57 #4272CB #CB42B6 #CB9B42

split-complementary

#42CB57 #9B42CB #CB4272

monochromatic

#20732C #2DA33F #42CB57 #72D882 #A2E5AC

Accessibility & contrast

On white

2.12

#42CB57 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

9.91

#42CB57 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #42CB57

9.91:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##42CB57	#FFFFFF	#000000	##000000
##42CB57	1.00	2.12	9.91	9.91
#FFFFFF	2.12	1.00	21.00	21.00
#000000	9.91	21.00	1.00	1.00
##000000	9.91	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#CEB94C

Deuteranopia (green-blind)

#BEAE60

Tritanopia (blue-blind)

#11C6B1

Achromatopsia (no color)

#B2B2B2

Design tokens & code

CSS

--color: #42cb57;
/* rgb */ color: rgb(66, 203, 87);
/* oklch */ color: oklch(74.4% 0.197 145.8);

Tailwind

colors: {
  custom: {
    50: '#87dc8a',
    500: '#42cb57',
    950: '#000000',
  },
}

SCSS

$custom: #42cb57;
$custom-light: #87dc8a;
$custom-dark: #000000;

JSON

{
  "hex": "#42cb57",
  "rgb": {
    "r": 66,
    "g": 203,
    "b": 87
  },
  "hsl": {
    "h": 129.197,
    "s": 56.846,
    "l": 52.745
  },
  "oklch": {
    "l": 0.74369,
    "c": 0.19654,
    "h": 145.8
  },
  "luminance": 0.44558
}

Semantic roles & 50–950 ramp

primary

#42CB57

secondary

#D297C9

accent

#48C9E0

background

#F9FDF8

surface

#F1FBF0

border

#CBD4CB

text

#0D150C

muted

#7E837D

Preview Lab

Preview with #42CB57

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

Preview Lab → · Contrast checker → · Palette generator →