#42CD57#42CD57

#42CD57 is a light, vivid green. Relative luminance 0.455; OKLCH L 74.9% C 0.199 H 145.7°. Best body text is #000000 at 10.10:1 contrast (WCAG AA passes).

Color values

HEX	#42CD57
RGB	rgb(66, 205, 87)
HSL	hsl(129, 58%, 53%)
HSV	hsv(129, 68%, 80%)
CMYK	cmyk(67.8%, 0%, 57.6%, 19.6%)
CIE-LAB	lab(73.22, -60.86, 47.34)
CIE-LCH	lch(73.22, 77.10, 142.12°)
OKLab	oklab(74.89% -0.1644 0.1122)
OKLCH	oklch(74.89% 0.199 145.7)
XYZ	xyz(25.7966, 45.5063, 16.4391)
Luminance	0.4551 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#42CD57 #CD42B8

analogous

#72CD42 #42CD57 #42CD9D

triadic

#42CD57 #5742CD #CD5742

tetradic

#42CD57 #4272CD #CD42B8 #CD9D42

square

#42CD57 #4272CD #CD42B8 #CD9D42

split-complementary

#42CD57 #9D42CD #CD4272

monochromatic

#1F762C #2CA63E #42CD57 #72DA82 #A3E7AD

Accessibility & contrast

On white

2.08

#42CD57 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

10.10

#42CD57 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #42CD57

10.10:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##42CD57	#FFFFFF	#000000	##000000
##42CD57	1.00	2.08	10.10	10.10
#FFFFFF	2.08	1.00	21.00	21.00
#000000	10.10	21.00	1.00	1.00
##000000	10.10	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#D0BB4B

Deuteranopia (green-blind)

#BFAF60

Tritanopia (blue-blind)

#0EC8B3

Achromatopsia (no color)

#B4B4B4

Design tokens & code

CSS

--color: #42cd57;
/* rgb */ color: rgb(66, 205, 87);
/* oklch */ color: oklch(74.9% 0.199 145.7);

Tailwind

colors: {
  custom: {
    50: '#88dd8a',
    500: '#42cd57',
    950: '#000000',
  },
}

SCSS

$custom: #42cd57;
$custom-light: #88dd8a;
$custom-dark: #000000;

JSON

{
  "hex": "#42cd57",
  "rgb": {
    "r": 66,
    "g": 205,
    "b": 87
  },
  "hsl": {
    "h": 129.065,
    "s": 58.159,
    "l": 53.137
  },
  "oklch": {
    "l": 0.74887,
    "c": 0.199,
    "h": 145.7
  },
  "luminance": 0.45509
}

Semantic roles & 50–950 ramp

primary

#42CD57

secondary

#D397CA

accent

#46CAE1

background

#F9FDF8

surface

#F1FBF0

border

#CBD4CB

text

#0D150C

muted

#7E837D

Preview Lab

Preview with #42CD57

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

Preview Lab → · Contrast checker → · Palette generator →