#42B227#42B227

#42B227 is a light, vivid green. Relative luminance 0.331; OKLCH L 67.4% C 0.200 H 140.4°. Best body text is #000000 at 7.63:1 contrast (WCAG AA passes).

Color values

HEX	#42B227
RGB	rgb(66, 178, 39)
HSL	hsl(108, 64%, 43%)
HSV	hsv(108, 78%, 70%)
CMYK	cmyk(62.9%, 0%, 78.1%, 30.2%)
CIE-LAB	lab(64.28, -56.09, 57.01)
CIE-LCH	lch(64.28, 79.98, 134.53°)
OKLab	oklab(67.36% -0.1538 0.1273)
OKLCH	oklch(67.36% 0.2 140.4)
XYZ	xyz(18.5325, 33.1437, 7.3398)
Luminance	0.3315 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#42B227 #9727B2

analogous

#88B227 #42B227 #27B251

triadic

#42B227 #2742B2 #B22742

tetradic

#42B227 #2788B2 #9727B2 #B25127

square

#42B227 #2788B2 #9727B2 #B25127

split-complementary

#42B227 #5127B2 #B22788

monochromatic

#1D4E11 #2F801C #42B227 #5ED541 #88E073

Accessibility & contrast

On white

2.75

#42B227 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.63

#42B227 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #42B227

7.63:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##42B227	#FFFFFF	#000000	##000000
##42B227	1.00	2.75	7.63	7.63
#FFFFFF	2.75	1.00	21.00	21.00
#000000	7.63	21.00	1.00	1.00
##000000	7.63	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#B7A100

Deuteranopia (green-blind)

#A99837

Tritanopia (blue-blind)

#31AC98

Achromatopsia (no color)

#9C9C9C

Design tokens & code

CSS

--color: #42b227;
/* rgb */ color: rgb(66, 178, 39);
/* oklch */ color: oklch(67.4% 0.200 140.4);

Tailwind

colors: {
  custom: {
    50: '#85ca6c',
    500: '#42b227',
    950: '#000000',
  },
}

SCSS

$custom: #42b227;
$custom-light: #85ca6c;
$custom-dark: #000000;

JSON

{
  "hex": "#42b227",
  "rgb": {
    "r": 66,
    "g": 178,
    "b": 39
  },
  "hsl": {
    "h": 108.345,
    "s": 64.055,
    "l": 42.549
  },
  "oklch": {
    "l": 0.67358,
    "c": 0.19961,
    "h": 140.4
  },
  "luminance": 0.33146
}

Semantic roles & 50–950 ramp

primary

#42B227

secondary

#B66DC8

accent

#41E7C7

background

#F8FCF6

surface

#F0F8EC

border

#CBD1C7

text

#0C1307

muted

#7D827A

Preview Lab

Preview with #42B227

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

Preview Lab → · Contrast checker → · Palette generator →