#428A37#428A37

#428A37 is a mid, vivid green. Relative luminance 0.196; OKLCH L 56.8% C 0.139 H 141.1°. Best body text is #000000 at 4.92:1 contrast (WCAG AA passes).

Color values

HEX	#428A37
RGB	rgb(66, 138, 55)
HSL	hsl(112, 43%, 38%)
HSV	hsv(112, 60%, 54%)
CMYK	cmyk(52.2%, 0%, 60.1%, 45.9%)
CIE-LAB	lab(51.39, -39.49, 36.98)
CIE-LCH	lch(51.39, 54.10, 136.88°)
OKLab	oklab(56.77% -0.1079 0.0871)
OKLCH	oklch(56.77% 0.139 141.1)
XYZ	xyz(12.0243, 19.6101, 6.7652)
Luminance	0.1961 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#428A37 #7F378A

analogous

#6B8A37 #428A37 #378A55

triadic

#428A37 #37428A #8A3742

tetradic

#428A37 #376B8A #7F378A #8A5537

square

#428A37 #376B8A #7F378A #8A5537

split-complementary

#428A37 #55378A #8A376B

monochromatic

#183214 #2D5E26 #428A37 #57B648 #7FC874

Accessibility & contrast

On white

4.27

#428A37 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.92

#428A37 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #428A37

4.92:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##428A37	#FFFFFF	#000000	##000000
##428A37	1.00	4.27	4.92	4.92
#FFFFFF	4.27	1.00	21.00	21.00
#000000	4.92	21.00	1.00	1.00
##000000	4.92	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#8D7E2E

Deuteranopia (green-blind)

#84783D

Tritanopia (blue-blind)

#3A8678

Achromatopsia (no color)

#7A7A7A

Design tokens & code

CSS

--color: #428a37;
/* rgb */ color: rgb(66, 138, 55);
/* oklch */ color: oklch(56.8% 0.139 141.1);

Tailwind

colors: {
  custom: {
    50: '#7dad71',
    500: '#428a37',
    950: '#000000',
  },
}

SCSS

$custom: #428a37;
$custom-light: #7dad71;
$custom-dark: #000000;

JSON

{
  "hex": "#428a37",
  "rgb": {
    "r": 66,
    "g": 138,
    "b": 55
  },
  "hsl": {
    "h": 112.048,
    "s": 43.005,
    "l": 37.843
  },
  "oklch": {
    "l": 0.56769,
    "c": 0.13866,
    "h": 141.1
  },
  "luminance": 0.19611
}

Semantic roles & 50–950 ramp

primary

#428A37

secondary

#A76DB0

accent

#55D3C2

background

#F7FAF6

surface

#EEF4EC

border

#C9CEC7

text

#0A1008

muted

#7C7F7B

Preview Lab

Preview with #428A37

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

Preview Lab → · Contrast checker → · Palette generator →