#42B951#42B951

#42B951 is a light, vivid green. Relative luminance 0.364; OKLCH L 69.6% C 0.179 H 145.5°. Best body text is #000000 at 8.29:1 contrast (WCAG AA passes).

Color values

HEX	#42B951
RGB	rgb(66, 185, 81)
HSL	hsl(128, 47%, 49%)
HSV	hsv(128, 64%, 73%)
CMYK	cmyk(64.3%, 0%, 56.2%, 27.5%)
CIE-LAB	lab(66.86, -54.51, 42.63)
CIE-LCH	lch(66.86, 69.20, 141.97°)
OKLab	oklab(69.61% -0.1474 0.1015)
OKLCH	oklch(69.61% 0.179 145.5)
XYZ	xyz(21.0796, 36.4481, 13.7073)
Luminance	0.3645 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#42B951 #B942AA

analogous

#6FB942 #42B951 #42B98D

triadic

#42B951 #5142B9 #B95142

tetradic

#42B951 #426FB9 #B942AA #B98D42

square

#42B951 #426FB9 #B942AA #B98D42

split-complementary

#42B951 #8D42B9 #B9426F

monochromatic

#225F2A #328C3D #42B951 #6DCB79 #9ADBA2

Accessibility & contrast

On white

2.53

#42B951 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

8.29

#42B951 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #42B951

8.29:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##42B951	#FFFFFF	#000000	##000000
##42B951	1.00	2.53	8.29	8.29
#FFFFFF	2.53	1.00	21.00	21.00
#000000	8.29	21.00	1.00	1.00
##000000	8.29	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#BCA947

Deuteranopia (green-blind)

#AD9F59

Tritanopia (blue-blind)

#23B5A2

Achromatopsia (no color)

#A3A3A3

Design tokens & code

CSS

--color: #42b951;
/* rgb */ color: rgb(66, 185, 81);
/* oklch */ color: oklch(69.6% 0.179 145.5);

Tailwind

colors: {
  custom: {
    50: '#84cf85',
    500: '#42b951',
    950: '#000000',
  },
}

SCSS

$custom: #42b951;
$custom-light: #84cf85;
$custom-dark: #000000;

JSON

{
  "hex": "#42b951",
  "rgb": {
    "r": 66,
    "g": 185,
    "b": 81
  },
  "hsl": {
    "h": 127.563,
    "s": 47.41,
    "l": 49.216
  },
  "oklch": {
    "l": 0.69607,
    "c": 0.17895,
    "h": 145.5
  },
  "luminance": 0.3645
}

Semantic roles & 50–950 ramp

primary

#42B951

secondary

#C790C0

accent

#51C6D7

background

#F8FCF8

surface

#F0F9EF

border

#CBD2CA

text

#0C140B

muted

#7D827C

Preview Lab

Preview with #42B951

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

Preview Lab → · Contrast checker → · Palette generator →