#42D188#42D188

#42D188 is a light, vivid green. Relative luminance 0.485; OKLCH L 76.7% C 0.161 H 156.5°. Best body text is #000000 at 10.71:1 contrast (WCAG AA passes).

Color values

HEX	#42D188
RGB	rgb(66, 209, 136)
HSL	hsl(149, 61%, 54%)
HSV	hsv(149, 68%, 82%)
CMYK	cmyk(68.4%, 0%, 34.9%, 18%)
CIE-LAB	lab(75.16, -54.45, 25.46)
CIE-LCH	lch(75.16, 60.10, 154.94°)
OKLab	oklab(76.71% -0.1475 0.064)
OKLCH	oklch(76.71% 0.161 156.5)
XYZ	xyz(29.4884, 48.5335, 31.1016)
Luminance	0.4854 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#42D188 #D1428B

analogous

#44D142 #42D188 #42D1D0

triadic

#42D188 #8842D1 #D18842

tetradic

#42D188 #4244D1 #D1428B #D1D042

square

#42D188 #4244D1 #D1428B #D1D042

split-complementary

#42D188 #D042D1 #D14244

monochromatic

#1E7B4B #2AAC6A #42D188 #73DDA7 #A4E9C6

Accessibility & contrast

On white

1.96

#42D188 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

10.71

#42D188 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #42D188

10.71:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##42D188	#FFFFFF	#000000	##000000
##42D188	1.00	1.96	10.71	10.71
#FFFFFF	1.96	1.00	21.00	21.00
#000000	10.71	21.00	1.00	1.00
##000000	10.71	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#D0C183

Deuteranopia (green-blind)

#BEB48D

Tritanopia (blue-blind)

#00CFBE

Achromatopsia (no color)

#B9B9B9

Design tokens & code

CSS

--color: #42d188;
/* rgb */ color: rgb(66, 209, 136);
/* oklch */ color: oklch(76.7% 0.161 156.5);

Tailwind

colors: {
  custom: {
    50: '#87e0ab',
    500: '#42d188',
    950: '#000000',
  },
}

SCSS

$custom: #42d188;
$custom-light: #87e0ab;
$custom-dark: #000000;

JSON

{
  "hex": "#42d188",
  "rgb": {
    "r": 66,
    "g": 209,
    "b": 136
  },
  "hsl": {
    "h": 149.371,
    "s": 60.851,
    "l": 53.922
  },
  "oklch": {
    "l": 0.76711,
    "c": 0.16081,
    "h": 156.5
  },
  "luminance": 0.48537
}

Semantic roles & 50–950 ramp

primary

#42D188

secondary

#D699B8

accent

#4496E4

background

#F9FDFA

surface

#F1FBF4

border

#CBD4CE

text

#0D1510

muted

#7E837F

Preview Lab

Preview with #42D188

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

Preview Lab → · Contrast checker → · Palette generator →