#428D37#428D37

#428D37 is a mid, vivid green. Relative luminance 0.205; OKLCH L 57.6% C 0.143 H 141.2°. Best body text is #000000 at 5.10:1 contrast (WCAG AA passes).

Color values

HEX	#428D37
RGB	rgb(66, 141, 55)
HSL	hsl(112, 44%, 38%)
HSV	hsv(112, 61%, 55%)
CMYK	cmyk(53.2%, 0%, 61%, 44.7%)
CIE-LAB	lab(52.38, -40.73, 38.12)
CIE-LCH	lch(52.38, 55.79, 136.90°)
OKLab	oklab(57.58% -0.1113 0.0895)
OKLCH	oklch(57.58% 0.143 141.2)
XYZ	xyz(12.4607, 20.4829, 6.9107)
Luminance	0.2048 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#428D37 #82378D

analogous

#6D8D37 #428D37 #378D57

triadic

#428D37 #37428D #8D3742

tetradic

#428D37 #376D8D #82378D #8D5737

square

#428D37 #376D8D #82378D #8D5737

split-complementary

#428D37 #57378D #8D376D

monochromatic

#193515 #2D6126 #428D37 #57B849 #80C975

Accessibility & contrast

On white

4.12

#428D37 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.10

#428D37 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #428D37

5.10:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##428D37	#FFFFFF	#000000	##000000
##428D37	1.00	4.12	5.10	5.10
#FFFFFF	4.12	1.00	21.00	21.00
#000000	5.10	21.00	1.00	1.00
##000000	5.10	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#90812E

Deuteranopia (green-blind)

#877A3E

Tritanopia (blue-blind)

#39897A

Achromatopsia (no color)

#7D7D7D

Design tokens & code

CSS

--color: #428d37;
/* rgb */ color: rgb(66, 141, 55);
/* oklch */ color: oklch(57.6% 0.143 141.2);

Tailwind

colors: {
  custom: {
    50: '#7daf71',
    500: '#428d37',
    950: '#000000',
  },
}

SCSS

$custom: #428d37;
$custom-light: #7daf71;
$custom-dark: #000000;

JSON

{
  "hex": "#428d37",
  "rgb": {
    "r": 66,
    "g": 141,
    "b": 55
  },
  "hsl": {
    "h": 112.326,
    "s": 43.878,
    "l": 38.431
  },
  "oklch": {
    "l": 0.57579,
    "c": 0.14283,
    "h": 141.2
  },
  "luminance": 0.20484
}

Semantic roles & 50–950 ramp

primary

#428D37

secondary

#A96EB2

accent

#54D4C3

background

#F8FAF6

surface

#EFF4EC

border

#CACEC7

text

#0A1008

muted

#7C7F7B

Preview Lab

Preview with #428D37

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

Preview Lab → · Contrast checker → · Palette generator →