#42CF5B#42CF5B

#42CF5B is a light, vivid green. Relative luminance 0.465; OKLCH L 75.5% C 0.198 H 146.2°. Best body text is #000000 at 10.31:1 contrast (WCAG AA passes).

Color values

HEX	#42CF5B
RGB	rgb(66, 207, 91)
HSL	hsl(131, 59%, 54%)
HSV	hsv(131, 68%, 81%)
CMYK	cmyk(68.1%, 0%, 56%, 18.8%)
CIE-LAB	lab(73.89, -61.05, 46.28)
CIE-LCH	lch(73.89, 76.61, 142.83°)
OKLab	oklab(75.45% -0.1647 0.1102)
OKLCH	oklch(75.45% 0.198 146.2)
XYZ	xyz(26.4461, 46.5364, 17.4842)
Luminance	0.4654 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#42CF5B #CF42B6

analogous

#6FCF42 #42CF5B #42CFA1

triadic

#42CF5B #5B42CF #CF5B42

tetradic

#42CF5B #426FCF #CF42B6 #CFA142

square

#42CF5B #426FCF #CF42B6 #CFA142

split-complementary

#42CF5B #A142CF #CF426F

monochromatic

#1F782E #2BA941 #42CF5B #73DB85 #A4E8B0

Accessibility & contrast

On white

2.04

#42CF5B on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

10.31

#42CF5B on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #42CF5B

10.31:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##42CF5B	#FFFFFF	#000000	##000000
##42CF5B	1.00	2.04	10.31	10.31
#FFFFFF	2.04	1.00	21.00	21.00
#000000	10.31	21.00	1.00	1.00
##000000	10.31	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#D2BD50

Deuteranopia (green-blind)

#C1B164

Tritanopia (blue-blind)

#06CAB5

Achromatopsia (no color)

#B6B6B6

Design tokens & code

CSS

--color: #42cf5b;
/* rgb */ color: rgb(66, 207, 91);
/* oklch */ color: oklch(75.5% 0.198 146.2);

Tailwind

colors: {
  custom: {
    50: '#88df8c',
    500: '#42cf5b',
    950: '#000000',
  },
}

SCSS

$custom: #42cf5b;
$custom-light: #88df8c;
$custom-dark: #000000;

JSON

{
  "hex": "#42cf5b",
  "rgb": {
    "r": 66,
    "g": 207,
    "b": 91
  },
  "hsl": {
    "h": 130.638,
    "s": 59.494,
    "l": 53.529
  },
  "oklch": {
    "l": 0.75454,
    "c": 0.19819,
    "h": 146.2
  },
  "luminance": 0.46539
}

Semantic roles & 50–950 ramp

primary

#42CF5B

secondary

#D598CA

accent

#45C7E3

background

#F9FDF8

surface

#F1FBF0

border

#CBD4CB

text

#0D150C

muted

#7E837D

Preview Lab

Preview with #42CF5B

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

Preview Lab → · Contrast checker → · Palette generator →