#42C857#42C857

#42C857 is a light, vivid green. Relative luminance 0.432; OKLCH L 73.6% C 0.193 H 145.9°. Best body text is #000000 at 9.63:1 contrast (WCAG AA passes).

Color values

HEX	#42C857
RGB	rgb(66, 200, 87)
HSL	hsl(129, 55%, 52%)
HSV	hsv(129, 67%, 78%)
CMYK	cmyk(67%, 0%, 56.5%, 21.6%)
CIE-LAB	lab(71.66, -59.11, 45.49)
CIE-LCH	lch(71.66, 74.59, 142.42°)
OKLab	oklab(73.59% -0.1596 0.1082)
OKLCH	oklch(73.59% 0.193 145.9)
XYZ	xyz(24.6197, 43.1523, 16.0467)
Luminance	0.4315 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#42C857 #C842B3

analogous

#70C842 #42C857 #42C89A

triadic

#42C857 #5742C8 #C85742

tetradic

#42C857 #4270C8 #C842B3 #C89A42

square

#42C857 #4270C8 #C842B3 #C89A42

split-complementary

#42C857 #9A42C8 #C84270

monochromatic

#206F2D #2E9F40 #42C857 #71D681 #A1E4AB

Accessibility & contrast

On white

2.18

#42C857 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

9.63

#42C857 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #42C857

9.63:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##42C857	#FFFFFF	#000000	##000000
##42C857	1.00	2.18	9.63	9.63
#FFFFFF	2.18	1.00	21.00	21.00
#000000	9.63	21.00	1.00	1.00
##000000	9.63	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#CBB64C

Deuteranopia (green-blind)

#BBAB60

Tritanopia (blue-blind)

#14C3AF

Achromatopsia (no color)

#B0B0B0

Design tokens & code

CSS

--color: #42c857;
/* rgb */ color: rgb(66, 200, 87);
/* oklch */ color: oklch(73.6% 0.193 145.9);

Tailwind

colors: {
  custom: {
    50: '#87da89',
    500: '#42c857',
    950: '#000000',
  },
}

SCSS

$custom: #42c857;
$custom-light: #87da89;
$custom-dark: #000000;

JSON

{
  "hex": "#42c857",
  "rgb": {
    "r": 66,
    "g": 200,
    "b": 87
  },
  "hsl": {
    "h": 129.403,
    "s": 54.918,
    "l": 52.157
  },
  "oklch": {
    "l": 0.73592,
    "c": 0.19283,
    "h": 145.9
  },
  "luminance": 0.43155
}

Semantic roles & 50–950 ramp

primary

#42C857

secondary

#D096C7

accent

#4AC7DE

background

#F8FDF8

surface

#F0FBF0

border

#CBD4CB

text

#0D150C

muted

#7D837D

Preview Lab

Preview with #42C857

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

Preview Lab → · Contrast checker → · Palette generator →