#42D957#42D957

#42D957 is a light, highly saturated green. Relative luminance 0.515; OKLCH L 78.0% C 0.213 H 145.3°. Best body text is #000000 at 11.29:1 contrast (WCAG AA passes).

Color values

HEX	#42D957
RGB	rgb(66, 217, 87)
HSL	hsl(128, 67%, 55%)
HSV	hsv(128, 70%, 85%)
CMYK	cmyk(69.6%, 0%, 59.9%, 14.9%)
CIE-LAB	lab(76.96, -64.95, 51.68)
CIE-LCH	lch(76.96, 83.00, 141.49°)
OKLab	oklab(77.98% -0.1754 0.1216)
OKLCH	oklch(77.98% 0.213 145.3)
XYZ	xyz(28.7780, 51.4689, 17.4328)
Luminance	0.5147 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#42D957 #D942C4

analogous

#79D942 #42D957 #42D9A2

triadic

#42D957 #5742D9 #D95742

tetradic

#42D957 #4279D9 #D942C4 #D9A242

square

#42D957 #4279D9 #D942C4 #D9A242

split-complementary

#42D957 #A242D9 #D94279

monochromatic

#1B862A #25B93A #42D957 #75E384 #A8EDB2

Accessibility & contrast

On white

1.86

#42D957 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

11.29

#42D957 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #42D957

11.29:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##42D957	#FFFFFF	#000000	##000000
##42D957	1.00	1.86	11.29	11.29
#FFFFFF	1.86	1.00	21.00	21.00
#000000	11.29	21.00	1.00	1.00
##000000	11.29	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#DCC549

Deuteranopia (green-blind)

#CBB962

Tritanopia (blue-blind)

#00D4BD

Achromatopsia (no color)

#BEBEBE

Design tokens & code

CSS

--color: #42d957;
/* rgb */ color: rgb(66, 217, 87);
/* oklch */ color: oklch(78.0% 0.213 145.3);

Tailwind

colors: {
  custom: {
    50: '#8ae68a',
    500: '#42d957',
    950: '#000000',
  },
}

SCSS

$custom: #42d957;
$custom-light: #8ae68a;
$custom-dark: #000000;

JSON

{
  "hex": "#42d957",
  "rgb": {
    "r": 66,
    "g": 217,
    "b": 87
  },
  "hsl": {
    "h": 128.344,
    "s": 66.52,
    "l": 55.49
  },
  "oklch": {
    "l": 0.77981,
    "c": 0.21345,
    "h": 145.3
  },
  "luminance": 0.51472
}

Semantic roles & 50–950 ramp

primary

#42D957

secondary

#8C3380

accent

#3ED2E9

background

#FCFEFC

surface

#F4FCF4

border

#CED5CE

text

#0D160C

muted

#7F847F

Preview Lab

Preview with #42D957

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

Preview Lab → · Contrast checker → · Palette generator →