#28631B#28631B

#28631B is a dark, vivid green. Relative luminance 0.095; OKLCH L 44.4% C 0.121 H 140.3°. Best body text is #FFFFFF at 7.26:1 contrast (WCAG AA passes).

Color values

HEX	#28631B
RGB	rgb(40, 99, 27)
HSL	hsl(109, 57%, 25%)
HSV	hsv(109, 73%, 39%)
CMYK	cmyk(59.6%, 0%, 72.7%, 61.2%)
CIE-LAB	lab(36.84, -33.97, 33.74)
CIE-LCH	lch(36.84, 47.88, 135.20°)
OKLab	oklab(44.43% -0.0931 0.0772)
OKLCH	oklch(44.43% 0.121 140.3)
XYZ	xyz(5.5345, 9.4535, 2.5697)
Luminance	0.0945 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#28631B #561B63

analogous

#4C631B #28631B #1B6332

triadic

#28631B #1B2863 #631B28

tetradic

#28631B #1B4C63 #561B63 #63321B

square

#28631B #1B4C63 #561B63 #63321B

split-complementary

#28631B #321B63 #631B4C

monochromatic

#0A1807 #15330E #28631B #3B9328 #4FC335

Accessibility & contrast

On white

7.26

#28631B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.89

#28631B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #28631B

7.26:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##28631B	#FFFFFF	#000000	##FFFFFF
##28631B	1.00	7.26	2.89	7.26
#FFFFFF	7.26	1.00	21.00	1.00
#000000	2.89	21.00	1.00	21.00
##FFFFFF	7.26	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#665A11

Deuteranopia (green-blind)

#5E5522

Tritanopia (blue-blind)

#216054

Achromatopsia (no color)

#575757

Design tokens & code

CSS

--color: #28631b;
/* rgb */ color: rgb(40, 99, 27);
/* oklch */ color: oklch(44.4% 0.121 140.3);

Tailwind

colors: {
  custom: {
    50: '#69905c',
    500: '#28631b',
    950: '#000000',
  },
}

SCSS

$custom: #28631b;
$custom-light: #69905c;
$custom-dark: #000000;

JSON

{
  "hex": "#28631b",
  "rgb": {
    "r": 40,
    "g": 99,
    "b": 27
  },
  "hsl": {
    "h": 109.167,
    "s": 57.143,
    "l": 24.706
  },
  "oklch": {
    "l": 0.44425,
    "c": 0.12096,
    "h": 140.3
  },
  "luminance": 0.09454
}

Semantic roles & 50–950 ramp

primary

#28631B

secondary

#894198

accent

#47E0C5

background

#F6F8F5

surface

#EBF0E9

border

#C6CBC5

text

#070C04

muted

#7A7D79

Preview Lab

Preview with #28631B

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

Preview Lab → · Contrast checker → · Palette generator →