#42D859#42D859

#42D859 is a light, highly saturated green. Relative luminance 0.510; OKLCH L 77.7% C 0.211 H 145.6°. Best body text is #000000 at 11.20:1 contrast (WCAG AA passes).

Color values

HEX	#42D859
RGB	rgb(66, 216, 89)
HSL	hsl(129, 66%, 55%)
HSV	hsv(129, 69%, 85%)
CMYK	cmyk(69.4%, 0%, 58.8%, 15.3%)
CIE-LAB	lab(76.67, -64.38, 50.45)
CIE-LCH	lch(76.67, 81.80, 141.91°)
OKLab	oklab(77.75% -0.1738 0.1191)
OKLCH	oklch(77.75% 0.211 145.6)
XYZ	xyz(28.6038, 50.9881, 17.7835)
Luminance	0.5099 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#42D859 #D842C1

analogous

#76D842 #42D859 #42D8A4

triadic

#42D859 #5942D8 #D85942

tetradic

#42D859 #4276D8 #D842C1 #D8A442

square

#42D859 #4276D8 #D842C1 #D8A442

split-complementary

#42D859 #A442D8 #D84276

monochromatic

#1B842B #26B73C #42D859 #75E286 #A7EDB2

Accessibility & contrast

On white

1.88

#42D859 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

11.20

#42D859 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #42D859

11.20:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##42D859	#FFFFFF	#000000	##000000
##42D859	1.00	1.88	11.20	11.20
#FFFFFF	1.88	1.00	21.00	21.00
#000000	11.20	21.00	1.00	1.00
##000000	11.20	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#DBC54C

Deuteranopia (green-blind)

#CAB863

Tritanopia (blue-blind)

#00D3BC

Achromatopsia (no color)

#BDBDBD

Design tokens & code

CSS

--color: #42d859;
/* rgb */ color: rgb(66, 216, 89);
/* oklch */ color: oklch(77.7% 0.211 145.6);

Tailwind

colors: {
  custom: {
    50: '#8ae58c',
    500: '#42d859',
    950: '#000000',
  },
}

SCSS

$custom: #42d859;
$custom-light: #8ae58c;
$custom-dark: #000000;

JSON

{
  "hex": "#42d859",
  "rgb": {
    "r": 66,
    "g": 216,
    "b": 89
  },
  "hsl": {
    "h": 129.2,
    "s": 65.789,
    "l": 55.294
  },
  "oklch": {
    "l": 0.77747,
    "c": 0.2107,
    "h": 145.6
  },
  "luminance": 0.50991
}

Semantic roles & 50–950 ramp

primary

#42D859

secondary

#8B337D

accent

#3FCFE9

background

#FCFEFC

surface

#F4FCF4

border

#CED5CE

text

#0D160C

muted

#7F847F

Preview Lab

Preview with #42D859

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

Preview Lab → · Contrast checker → · Palette generator →