#428F37#428F37

#428F37 is a mid, vivid green. Relative luminance 0.211; OKLCH L 58.1% C 0.146 H 141.2°. Best body text is #000000 at 5.22:1 contrast (WCAG AA passes).

Color values

HEX	#428F37
RGB	rgb(66, 143, 55)
HSL	hsl(113, 44%, 39%)
HSV	hsv(113, 62%, 56%)
CMYK	cmyk(53.8%, 0%, 61.5%, 43.9%)
CIE-LAB	lab(53.03, -41.56, 38.87)
CIE-LCH	lch(53.03, 56.90, 136.91°)
OKLab	oklab(58.12% -0.1135 0.0911)
OKLCH	oklch(58.12% 0.146 141.2)
XYZ	xyz(12.7582, 21.0780, 7.0098)
Luminance	0.2108 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#428F37 #84378F

analogous

#6E8F37 #428F37 #378F58

triadic

#428F37 #37428F #8F3742

tetradic

#428F37 #376E8F #84378F #8F5837

square

#428F37 #376E8F #84378F #8F5837

split-complementary

#428F37 #58378F #8F376E

monochromatic

#193715 #2E6326 #428F37 #58B94A #81CA76

Accessibility & contrast

On white

4.03

#428F37 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.22

#428F37 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #428F37

5.22:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##428F37	#FFFFFF	#000000	##000000
##428F37	1.00	4.03	5.22	5.22
#FFFFFF	4.03	1.00	21.00	21.00
#000000	5.22	21.00	1.00	1.00
##000000	5.22	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#92832D

Deuteranopia (green-blind)

#887C3E

Tritanopia (blue-blind)

#398B7C

Achromatopsia (no color)

#7F7F7F

Design tokens & code

CSS

--color: #428f37;
/* rgb */ color: rgb(66, 143, 55);
/* oklch */ color: oklch(58.1% 0.146 141.2);

Tailwind

colors: {
  custom: {
    50: '#7eb071',
    500: '#428f37',
    950: '#000000',
  },
}

SCSS

$custom: #428f37;
$custom-light: #7eb071;
$custom-dark: #000000;

JSON

{
  "hex": "#428f37",
  "rgb": {
    "r": 66,
    "g": 143,
    "b": 55
  },
  "hsl": {
    "h": 112.5,
    "s": 44.444,
    "l": 38.824
  },
  "oklch": {
    "l": 0.58118,
    "c": 0.14558,
    "h": 141.2
  },
  "luminance": 0.21079
}

Semantic roles & 50–950 ramp

primary

#428F37

secondary

#AB6FB3

accent

#54D4C4

background

#F8FAF7

surface

#EFF5ED

border

#CACFC8

text

#0A1108

muted

#7C807B

Preview Lab

Preview with #428F37

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

Preview Lab → · Contrast checker → · Palette generator →