#42AB28#42AB28

#42AB28 is a light, vivid green. Relative luminance 0.304; OKLCH L 65.5% C 0.191 H 140.2°. Best body text is #000000 at 7.09:1 contrast (WCAG AA passes).

Color values

HEX	#42AB28
RGB	rgb(66, 171, 40)
HSL	hsl(108, 62%, 41%)
HSV	hsv(108, 77%, 67%)
CMYK	cmyk(61.4%, 0%, 76.6%, 32.9%)
CIE-LAB	lab(62.03, -53.56, 54.50)
CIE-LCH	lch(62.03, 76.42, 134.50°)
OKLab	oklab(65.5% -0.1469 0.1222)
OKLCH	oklch(65.5% 0.191 140.2)
XYZ	xyz(17.1919, 30.4357, 6.9758)
Luminance	0.3044 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#42AB28 #9128AB

analogous

#84AB28 #42AB28 #28AB50

triadic

#42AB28 #2842AB #AB2842

tetradic

#42AB28 #2884AB #9128AB #AB5028

square

#42AB28 #2884AB #9128AB #AB5028

split-complementary

#42AB28 #5028AB #AB2884

monochromatic

#1C4811 #2F791C #42AB28 #5CD23E #86DE70

Accessibility & contrast

On white

2.96

#42AB28 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.09

#42AB28 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #42AB28

7.09:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##42AB28	#FFFFFF	#000000	##000000
##42AB28	1.00	2.96	7.09	7.09
#FFFFFF	2.96	1.00	21.00	21.00
#000000	7.09	21.00	1.00	1.00
##000000	7.09	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#B09B08

Deuteranopia (green-blind)

#A39336

Tritanopia (blue-blind)

#33A592

Achromatopsia (no color)

#969696

Design tokens & code

CSS

--color: #42ab28;
/* rgb */ color: rgb(66, 171, 40);
/* oklch */ color: oklch(65.5% 0.191 140.2);

Tailwind

colors: {
  custom: {
    50: '#83c56c',
    500: '#42ab28',
    950: '#000000',
  },
}

SCSS

$custom: #42ab28;
$custom-light: #83c56c;
$custom-dark: #000000;

JSON

{
  "hex": "#42ab28",
  "rgb": {
    "r": 66,
    "g": 171,
    "b": 40
  },
  "hsl": {
    "h": 108.092,
    "s": 62.085,
    "l": 41.373
  },
  "oklch": {
    "l": 0.65499,
    "c": 0.19108,
    "h": 140.2
  },
  "luminance": 0.30437
}

Semantic roles & 50–950 ramp

primary

#42AB28

secondary

#B36AC4

accent

#43E5C5

background

#F8FCF6

surface

#F0F8EC

border

#CBD1C7

text

#0C1307

muted

#7D827A

Preview Lab

Preview with #42AB28

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

Preview Lab → · Contrast checker → · Palette generator →