#42C981#42C981

#42C981 is a light, vivid green. Relative luminance 0.445; OKLCH L 74.5% C 0.157 H 155.7°. Best body text is #000000 at 9.90:1 contrast (WCAG AA passes).

Color values

HEX	#42C981
RGB	rgb(66, 201, 129)
HSL	hsl(148, 56%, 52%)
HSV	hsv(148, 67%, 79%)
CMYK	cmyk(67.2%, 0%, 35.8%, 21.2%)
CIE-LAB	lab(72.57, -52.71, 25.63)
CIE-LCH	lch(72.57, 58.61, 154.07°)
OKLab	oklab(74.54% -0.1427 0.0643)
OKLCH	oklch(74.54% 0.157 155.7)
XYZ	xyz(27.0934, 44.5136, 27.9287)
Luminance	0.4452 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#42C981 #C9428A

analogous

#46C942 #42C981 #42C9C5

triadic

#42C981 #8142C9 #C98142

tetradic

#42C981 #4246C9 #C9428A #C9C542

square

#42C981 #4246C9 #C9428A #C9C542

split-complementary

#42C981 #C542C9 #C94246

monochromatic

#207046 #2EA063 #42C981 #72D7A1 #A1E4C0

Accessibility & contrast

On white

2.12

#42C981 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

9.90

#42C981 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #42C981

9.90:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##42C981	#FFFFFF	#000000	##000000
##42C981	1.00	2.12	9.90	9.90
#FFFFFF	2.12	1.00	21.00	21.00
#000000	9.90	21.00	1.00	1.00
##000000	9.90	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#C8B97C

Deuteranopia (green-blind)

#B7AD86

Tritanopia (blue-blind)

#00C7B7

Achromatopsia (no color)

#B2B2B2

Design tokens & code

CSS

--color: #42c981;
/* rgb */ color: rgb(66, 201, 129);
/* oklch */ color: oklch(74.5% 0.157 155.7);

Tailwind

colors: {
  custom: {
    50: '#86daa6',
    500: '#42c981',
    950: '#000000',
  },
}

SCSS

$custom: #42c981;
$custom-light: #86daa6;
$custom-dark: #000000;

JSON

{
  "hex": "#42c981",
  "rgb": {
    "r": 66,
    "g": 201,
    "b": 129
  },
  "hsl": {
    "h": 148,
    "s": 55.556,
    "l": 52.353
  },
  "oklch": {
    "l": 0.7454,
    "c": 0.15656,
    "h": 155.7
  },
  "luminance": 0.44517
}

Semantic roles & 50–950 ramp

primary

#42C981

secondary

#D196B5

accent

#4999DF

background

#F8FDFA

surface

#F0FBF4

border

#CBD4CE

text

#0C150F

muted

#7D837F

Preview Lab

Preview with #42C981

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

Preview Lab → · Contrast checker → · Palette generator →