#42D57E#42D57E

#42D57E is a light, vivid green. Relative luminance 0.503; OKLCH L 77.5% C 0.175 H 153.0°. Best body text is #000000 at 11.05:1 contrast (WCAG AA passes).

Color values

HEX	#42D57E
RGB	rgb(66, 213, 126)
HSL	hsl(144, 64%, 55%)
HSV	hsv(144, 69%, 84%)
CMYK	cmyk(69%, 0%, 40.8%, 16.5%)
CIE-LAB	lab(76.22, -57.82, 32.03)
CIE-LCH	lch(76.22, 66.10, 151.02°)
OKLab	oklab(77.53% -0.1559 0.0795)
OKLCH	oklch(77.53% 0.175 153)
XYZ	xyz(29.8043, 50.2498, 27.8631)
Luminance	0.5025 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#42D57E #D54299

analogous

#50D542 #42D57E #42D5C8

triadic

#42D57E #7E42D5 #D57E42

tetradic

#42D57E #4250D5 #D54299 #D5C842

square

#42D57E #4250D5 #D54299 #D5C842

split-complementary

#42D57E #C842D5 #D54250

monochromatic

#1C8045 #28B260 #42D57E #74E0A0 #A6EBC2

Accessibility & contrast

On white

1.90

#42D57E on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

11.05

#42D57E on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #42D57E

11.05:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##42D57E	#FFFFFF	#000000	##000000
##42D57E	1.00	1.90	11.05	11.05
#FFFFFF	1.90	1.00	21.00	21.00
#000000	11.05	21.00	1.00	1.00
##000000	11.05	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#D5C478

Deuteranopia (green-blind)

#C3B784

Tritanopia (blue-blind)

#00D2BF

Achromatopsia (no color)

#BCBCBC

Design tokens & code

CSS

--color: #42d57e;
/* rgb */ color: rgb(66, 213, 126);
/* oklch */ color: oklch(77.5% 0.175 153.0);

Tailwind

colors: {
  custom: {
    50: '#88e3a4',
    500: '#42d57e',
    950: '#000000',
  },
}

SCSS

$custom: #42d57e;
$custom-light: #88e3a4;
$custom-dark: #000000;

JSON

{
  "hex": "#42d57e",
  "rgb": {
    "r": 66,
    "g": 213,
    "b": 126
  },
  "hsl": {
    "h": 144.49,
    "s": 63.636,
    "l": 54.706
  },
  "oklch": {
    "l": 0.77531,
    "c": 0.17504,
    "h": 153
  },
  "luminance": 0.50253
}

Semantic roles & 50–950 ramp

primary

#42D57E

secondary

#873465

accent

#41A3E7

background

#FCFEFC

surface

#F4FCF6

border

#CED5D0

text

#0D160F

muted

#7F8480

Preview Lab

Preview with #42D57E

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

Preview Lab → · Contrast checker → · Palette generator →