#42D588#42D588

#42D588 is a light, vivid green. Relative luminance 0.505; OKLCH L 77.7% C 0.166 H 155.8°. Best body text is #000000 at 11.10:1 contrast (WCAG AA passes).

Color values

HEX	#42D588
RGB	rgb(66, 213, 136)
HSL	hsl(149, 64%, 55%)
HSV	hsv(149, 69%, 84%)
CMYK	cmyk(69%, 0%, 36.2%, 16.5%)
CIE-LAB	lab(76.39, -55.98, 27.11)
CIE-LCH	lch(76.39, 62.20, 154.16°)
OKLab	oklab(77.72% -0.1515 0.068)
OKLCH	oklch(77.72% 0.166 155.8)
XYZ	xyz(30.4821, 50.5209, 31.4328)
Luminance	0.5052 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#42D588 #D5428F

analogous

#46D542 #42D588 #42D5D1

triadic

#42D588 #8842D5 #D58842

tetradic

#42D588 #4246D5 #D5428F #D5D142

square

#42D588 #4246D5 #D5428F #D5D142

split-complementary

#42D588 #D142D5 #D54246

monochromatic

#1C804C #28B26A #42D588 #74E0A8 #A6EBC7

Accessibility & contrast

On white

1.89

#42D588 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

11.10

#42D588 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #42D588

11.10:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##42D588	#FFFFFF	#000000	##000000
##42D588	1.00	1.89	11.10	11.10
#FFFFFF	1.89	1.00	21.00	21.00
#000000	11.10	21.00	1.00	1.00
##000000	11.10	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#D4C483

Deuteranopia (green-blind)

#C2B78D

Tritanopia (blue-blind)

#00D3C1

Achromatopsia (no color)

#BCBCBC

Design tokens & code

CSS

--color: #42d588;
/* rgb */ color: rgb(66, 213, 136);
/* oklch */ color: oklch(77.7% 0.166 155.8);

Tailwind

colors: {
  custom: {
    50: '#88e3ab',
    500: '#42d588',
    950: '#000000',
  },
}

SCSS

$custom: #42d588;
$custom-light: #88e3ab;
$custom-dark: #000000;

JSON

{
  "hex": "#42d588",
  "rgb": {
    "r": 66,
    "g": 213,
    "b": 136
  },
  "hsl": {
    "h": 148.571,
    "s": 63.636,
    "l": 54.706
  },
  "oklch": {
    "l": 0.77722,
    "c": 0.16603,
    "h": 155.8
  },
  "luminance": 0.50524
}

Semantic roles & 50–950 ramp

primary

#42D588

secondary

#873460

accent

#4198E7

background

#FCFEFD

surface

#F4FCF7

border

#CED5D0

text

#0D1610

muted

#7F8481

Preview Lab

Preview with #42D588

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

Preview Lab → · Contrast checker → · Palette generator →