#428F1E#428F1E

#428F1E is a mid, vivid green. Relative luminance 0.209; OKLCH L 57.9% C 0.163 H 138.0°. Best body text is #000000 at 5.18:1 contrast (WCAG AA passes).

Color values

HEX	#428F1E
RGB	rgb(66, 143, 30)
HSL	hsl(101, 65%, 34%)
HSV	hsv(101, 79%, 56%)
CMYK	cmyk(53.8%, 0%, 79%, 43.9%)
CIE-LAB	lab(52.84, -43.78, 48.96)
CIE-LCH	lch(52.84, 65.68, 131.80°)
OKLab	oklab(57.89% -0.1211 0.1092)
OKLCH	oklch(57.89% 0.163 138)
XYZ	xyz(12.3031, 20.8960, 4.6130)
Luminance	0.2090 (WCAG relative)
Temperature	warm
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#428F1E #6B1E8F

analogous

#7B8F1E #428F1E #1E8F33

triadic

#428F1E #1E428F #8F1E42

tetradic

#428F1E #1E7B8F #6B1E8F #8F331E

square

#428F1E #1E7B8F #6B1E8F #8F331E

split-complementary

#428F1E #331E8F #8F1E7B

monochromatic

#132A09 #2B5C13 #428F1E #59C229 #7ADA4E

Accessibility & contrast

On white

4.05

#428F1E on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.18

#428F1E on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #428F1E

5.18:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##428F1E	#FFFFFF	#000000	##000000
##428F1E	1.00	4.05	5.18	5.18
#FFFFFF	4.05	1.00	21.00	21.00
#000000	5.18	21.00	1.00	1.00
##000000	5.18	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#948201

Deuteranopia (green-blind)

#8A7C2B

Tritanopia (blue-blind)

#3C8A7A

Achromatopsia (no color)

#7E7E7E

Design tokens & code

CSS

--color: #428f1e;
/* rgb */ color: rgb(66, 143, 30);
/* oklch */ color: oklch(57.9% 0.163 138.0);

Tailwind

colors: {
  custom: {
    50: '#7fb063',
    500: '#428f1e',
    950: '#000000',
  },
}

SCSS

$custom: #428f1e;
$custom-light: #7fb063;
$custom-dark: #000000;

JSON

{
  "hex": "#428f1e",
  "rgb": {
    "r": 66,
    "g": 143,
    "b": 30
  },
  "hsl": {
    "h": 100.885,
    "s": 65.318,
    "l": 33.922
  },
  "oklch": {
    "l": 0.5789,
    "c": 0.16307,
    "h": 138
  },
  "luminance": 0.20897
}

Semantic roles & 50–950 ramp

primary

#428F1E

secondary

#994CBC

accent

#40E8B3

background

#F8FAF6

surface

#EFF5EB

border

#CACFC6

text

#0B1106

muted

#7C807A

Preview Lab

Preview with #428F1E

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

Preview Lab → · Contrast checker → · Palette generator →