#42CF3B#42CF3B

#42CF3B is a light, highly saturated green. Relative luminance 0.461; OKLCH L 75.1% C 0.221 H 142.4°. Best body text is #000000 at 10.22:1 contrast (WCAG AA passes).

Color values

HEX	#42CF3B
RGB	rgb(66, 207, 59)
HSL	hsl(117, 61%, 52%)
HSV	hsv(117, 71%, 81%)
CMYK	cmyk(68.1%, 0%, 71.5%, 18.8%)
CIE-LAB	lab(73.61, -64.41, 59.42)
CIE-LCH	lch(73.61, 87.63, 137.31°)
OKLab	oklab(75.13% -0.1752 0.135)
OKLCH	oklch(75.13% 0.221 142.4)
XYZ	xyz(25.3476, 46.0970, 11.6986)
Luminance	0.4610 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#42CF3B #C83BCF

analogous

#8CCF3B #42CF3B #3BCF7E

triadic

#42CF3B #3B42CF #CF3B42

tetradic

#42CF3B #3B8CCF #C83BCF #CF7E3B

square

#42CF3B #3B8CCF #C83BCF #CF7E3B

split-complementary

#42CF3B #7E3BCF #CF3B8C

monochromatic

#20731C #2EA528 #42CF3B #71DB6C #A1E79D

Accessibility & contrast

On white

2.05

#42CF3B on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

10.22

#42CF3B on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #42CF3B

10.22:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##42CF3B	#FFFFFF	#000000	##000000
##42CF3B	1.00	2.05	10.22	10.22
#FFFFFF	2.05	1.00	21.00	21.00
#000000	10.22	21.00	1.00	1.00
##000000	10.22	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#D4BC22

Deuteranopia (green-blind)

#C3B14A

Tritanopia (blue-blind)

#1EC9B2

Achromatopsia (no color)

#B5B5B5

Design tokens & code

CSS

--color: #42cf3b;
/* rgb */ color: rgb(66, 207, 59);
/* oklch */ color: oklch(75.1% 0.221 142.4);

Tailwind

colors: {
  custom: {
    50: '#89df79',
    500: '#42cf3b',
    950: '#000000',
  },
}

SCSS

$custom: #42cf3b;
$custom-light: #89df79;
$custom-dark: #000000;

JSON

{
  "hex": "#42cf3b",
  "rgb": {
    "r": 66,
    "g": 207,
    "b": 59
  },
  "hsl": {
    "h": 117.162,
    "s": 60.656,
    "l": 52.157
  },
  "oklch": {
    "l": 0.75127,
    "c": 0.22117,
    "h": 142.4
  },
  "luminance": 0.461
}

Semantic roles & 50–950 ramp

primary

#42CF3B

secondary

#D093D3

accent

#44E4DC

background

#F9FDF7

surface

#F1FBEE

border

#CBD4C9

text

#0D150A

muted

#7E837C

Preview Lab

Preview with #42CF3B

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

Preview Lab → · Contrast checker → · Palette generator →