#42CB3A#42CB3A

#42CB3A is a light, highly saturated green. Relative luminance 0.442; OKLCH L 74.1% C 0.217 H 142.3°. Best body text is #000000 at 9.84:1 contrast (WCAG AA passes).

Color values

HEX	#42CB3A
RGB	rgb(66, 203, 58)
HSL	hsl(117, 58%, 51%)
HSV	hsv(117, 71%, 80%)
CMYK	cmyk(67.5%, 0%, 71.4%, 20.4%)
CIE-LAB	lab(72.34, -63.17, 58.48)
CIE-LCH	lch(72.34, 86.09, 137.21°)
OKLab	oklab(74.08% -0.1719 0.1329)
OKLCH	oklch(74.08% 0.217 142.3)
XYZ	xyz(24.3650, 44.1730, 11.2444)
Luminance	0.4418 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#42CB3A #C33ACB

analogous

#8ACB3A #42CB3A #3ACB7A

triadic

#42CB3A #3A42CB #CB3A42

tetradic

#42CB3A #3A8ACB #C33ACB #CB7A3A

square

#42CB3A #3A8ACB #C33ACB #CB7A3A

split-complementary

#42CB3A #7A3ACB #CB3A8A

monochromatic

#216E1D #309E2A #42CB3A #70D86A #9FE59B

Accessibility & contrast

On white

2.14

#42CB3A on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

9.84

#42CB3A on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #42CB3A

9.84:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##42CB3A	#FFFFFF	#000000	##000000
##42CB3A	1.00	2.14	9.84	9.84
#FFFFFF	2.14	1.00	21.00	21.00
#000000	9.84	21.00	1.00	1.00
##000000	9.84	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#D0B821

Deuteranopia (green-blind)

#C0AD49

Tritanopia (blue-blind)

#21C5AF

Achromatopsia (no color)

#B1B1B1

Design tokens & code

CSS

--color: #42cb3a;
/* rgb */ color: rgb(66, 203, 58);
/* oklch */ color: oklch(74.1% 0.217 142.3);

Tailwind

colors: {
  custom: {
    50: '#89dc79',
    500: '#42cb3a',
    950: '#000000',
  },
}

SCSS

$custom: #42cb3a;
$custom-light: #89dc79;
$custom-dark: #000000;

JSON

{
  "hex": "#42cb3a",
  "rgb": {
    "r": 66,
    "g": 203,
    "b": 58
  },
  "hsl": {
    "h": 116.69,
    "s": 58.233,
    "l": 51.176
  },
  "oklch": {
    "l": 0.74077,
    "c": 0.2173,
    "h": 142.3
  },
  "luminance": 0.44176
}

Semantic roles & 50–950 ramp

primary

#42CB3A

secondary

#CD90D0

accent

#46E1D9

background

#F9FDF7

surface

#F1FBEE

border

#CBD4C9

text

#0D1509

muted

#7E837B

Preview Lab

Preview with #42CB3A

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

Preview Lab → · Contrast checker → · Palette generator →