#28901B#28901B

#28901B is a mid, vivid green. Relative luminance 0.205; OKLCH L 57.3% C 0.176 H 141.6°. Best body text is #000000 at 5.10:1 contrast (WCAG AA passes).

Color values

HEX	#28901B
RGB	rgb(40, 144, 27)
HSL	hsl(113, 68%, 34%)
HSV	hsv(113, 81%, 56%)
CMYK	cmyk(72.2%, 0%, 81.3%, 43.5%)
CIE-LAB	lab(52.37, -50.70, 49.21)
CIE-LCH	lch(52.37, 70.66, 135.85°)
OKLab	oklab(57.28% -0.1383 0.1096)
OKLCH	oklch(57.28% 0.176 141.6)
XYZ	xyz(11.0455, 20.4756, 4.4068)
Luminance	0.2048 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#28901B #831B90

analogous

#62901B #28901B #1B9048

triadic

#28901B #1B2890 #901B28

tetradic

#28901B #1B6290 #831B90 #90481B

square

#28901B #1B6290 #831B90 #90481B

split-complementary

#28901B #481B90 #901B62

monochromatic

#0B2908 #1A5C11 #28901B #36C425 #59DD49

Accessibility & contrast

On white

4.12

#28901B on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.10

#28901B on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #28901B

5.10:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##28901B	#FFFFFF	#000000	##000000
##28901B	1.00	4.12	5.10	5.10
#FFFFFF	4.12	1.00	21.00	21.00
#000000	5.10	21.00	1.00	1.00
##000000	5.10	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#948200

Deuteranopia (green-blind)

#887A29

Tritanopia (blue-blind)

#0B8B7A

Achromatopsia (no color)

#7D7D7D

Design tokens & code

CSS

--color: #28901b;
/* rgb */ color: rgb(40, 144, 27);
/* oklch */ color: oklch(57.3% 0.176 141.6);

Tailwind

colors: {
  custom: {
    50: '#73b262',
    500: '#28901b',
    950: '#000000',
  },
}

SCSS

$custom: #28901b;
$custom-light: #73b262;
$custom-dark: #000000;

JSON

{
  "hex": "#28901b",
  "rgb": {
    "r": 40,
    "g": 144,
    "b": 27
  },
  "hsl": {
    "h": 113.333,
    "s": 68.421,
    "l": 33.529
  },
  "oklch": {
    "l": 0.5728,
    "c": 0.17642,
    "h": 141.6
  },
  "luminance": 0.20477
}

Semantic roles & 50–950 ramp

primary

#28901B

secondary

#B148BF

accent

#3DEBD8

background

#F7FBF6

surface

#EEF6EB

border

#C9D0C6

text

#091106

muted

#7B807A

Preview Lab

Preview with #28901B

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

Preview Lab → · Contrast checker → · Palette generator →