#428F39#428F39

#428F39 is a mid, vivid green. Relative luminance 0.211; OKLCH L 58.1% C 0.144 H 141.6°. Best body text is #000000 at 5.22:1 contrast (WCAG AA passes).

Color values

HEX	#428F39
RGB	rgb(66, 143, 57)
HSL	hsl(114, 43%, 39%)
HSV	hsv(114, 60%, 56%)
CMYK	cmyk(53.8%, 0%, 60.1%, 43.9%)
CIE-LAB	lab(53.06, -41.32, 37.93)
CIE-LCH	lch(53.06, 56.09, 137.45°)
OKLab	oklab(58.14% -0.1128 0.0893)
OKLCH	oklch(58.14% 0.144 141.6)
XYZ	xyz(12.8071, 21.0976, 7.2675)
Luminance	0.2110 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#428F39 #86398F

analogous

#6D8F39 #428F39 #398F5B

triadic

#428F39 #39428F #8F3942

tetradic

#428F39 #396D8F #86398F #8F5B39

square

#428F39 #396D8F #86398F #8F5B39

split-complementary

#428F39 #5B398F #8F396D

monochromatic

#1A3716 #2E6328 #428F39 #58B84D #81CA79

Accessibility & contrast

On white

4.02

#428F39 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.22

#428F39 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #428F39

5.22:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##428F39	#FFFFFF	#000000	##000000
##428F39	1.00	4.02	5.22	5.22
#FFFFFF	4.02	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)

#928330

Deuteranopia (green-blind)

#887C40

Tritanopia (blue-blind)

#388B7C

Achromatopsia (no color)

#7F7F7F

Design tokens & code

CSS

--color: #428f39;
/* rgb */ color: rgb(66, 143, 57);
/* oklch */ color: oklch(58.1% 0.144 141.6);

Tailwind

colors: {
  custom: {
    50: '#7eb072',
    500: '#428f39',
    950: '#000000',
  },
}

SCSS

$custom: #428f39;
$custom-light: #7eb072;
$custom-dark: #000000;

JSON

{
  "hex": "#428f39",
  "rgb": {
    "r": 66,
    "g": 143,
    "b": 57
  },
  "hsl": {
    "h": 113.721,
    "s": 43,
    "l": 39.216
  },
  "oklch": {
    "l": 0.58143,
    "c": 0.14386,
    "h": 141.6
  },
  "luminance": 0.21099
}

Semantic roles & 50–950 ramp

primary

#428F39

secondary

#AC71B3

accent

#55D3C6

background

#F8FAF7

surface

#EFF5ED

border

#CACFC8

text

#0A1108

muted

#7C807B

Preview Lab

Preview with #428F39

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

Preview Lab → · Contrast checker → · Palette generator →