#42D951#42D951

#42D951 is a light, highly saturated green. Relative luminance 0.514; OKLCH L 77.9% C 0.218 H 144.5°. Best body text is #000000 at 11.28:1 contrast (WCAG AA passes).

Color values

HEX	#42D951
RGB	rgb(66, 217, 81)
HSL	hsl(126, 67%, 55%)
HSV	hsv(126, 70%, 85%)
CMYK	cmyk(69.6%, 0%, 62.7%, 14.9%)
CIE-LAB	lab(76.91, -65.63, 54.21)
CIE-LCH	lch(76.91, 85.12, 140.44°)
OKLab	oklab(77.92% -0.1775 0.1264)
OKLCH	oklch(77.92% 0.218 144.5)
XYZ	xyz(28.5430, 51.3749, 16.1951)
Luminance	0.5138 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#42D951 #D942CA

analogous

#7FD942 #42D951 #42D99C

triadic

#42D951 #5142D9 #D95142

tetradic

#42D951 #427FD9 #D942CA #D99C42

square

#42D951 #427FD9 #D942CA #D99C42

split-complementary

#42D951 #9C42D9 #D9427F

monochromatic

#1B8625 #25B934 #42D951 #75E380 #A8EDAF

Accessibility & contrast

On white

1.86

#42D951 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

11.28

#42D951 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #42D951

11.28:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##42D951	#FFFFFF	#000000	##000000
##42D951	1.00	1.86	11.28	11.28
#FFFFFF	1.86	1.00	21.00	21.00
#000000	11.28	21.00	1.00	1.00
##000000	11.28	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#DDC541

Deuteranopia (green-blind)

#CBB95D

Tritanopia (blue-blind)

#01D3BC

Achromatopsia (no color)

#BEBEBE

Design tokens & code

CSS

--color: #42d951;
/* rgb */ color: rgb(66, 217, 81);
/* oklch */ color: oklch(77.9% 0.218 144.5);

Tailwind

colors: {
  custom: {
    50: '#8ae687',
    500: '#42d951',
    950: '#000000',
  },
}

SCSS

$custom: #42d951;
$custom-light: #8ae687;
$custom-dark: #000000;

JSON

{
  "hex": "#42d951",
  "rgb": {
    "r": 66,
    "g": 217,
    "b": 81
  },
  "hsl": {
    "h": 125.96,
    "s": 66.52,
    "l": 55.49
  },
  "oklch": {
    "l": 0.77916,
    "c": 0.21793,
    "h": 144.5
  },
  "luminance": 0.51378
}

Semantic roles & 50–950 ramp

primary

#42D951

secondary

#8C3383

accent

#3ED8E9

background

#FCFEFC

surface

#F4FCF3

border

#CED5CD

text

#0D160C

muted

#7F847F

Preview Lab

Preview with #42D951

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

Preview Lab → · Contrast checker → · Palette generator →