#28580D#28580D

#28580D is a dark, moderate yellow-green. Relative luminance 0.075; OKLCH L 41.1% C 0.115 H 137.1°. Best body text is #FFFFFF at 8.43:1 contrast (WCAG AA passes).

Color values

HEX	#28580D
RGB	rgb(40, 88, 13)
HSL	hsl(98, 74%, 20%)
HSV	hsv(98, 85%, 35%)
CMYK	cmyk(54.5%, 0%, 85.2%, 65.5%)
CIE-LAB	lab(32.83, -30.44, 35.34)
CIE-LCH	lch(32.83, 46.64, 130.74°)
OKLab	oklab(41.09% -0.0845 0.0784)
OKLCH	oklch(41.09% 0.115 137.1)
XYZ	xyz(4.4373, 7.4593, 1.5867)
Luminance	0.0746 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#28580D #3D0D58

analogous

#4E580D #28580D #0D5818

triadic

#28580D #0D2858 #580D28

tetradic

#28580D #0D4E58 #3D0D58 #58180D

square

#28580D #0D4E58 #3D0D58 #58180D

split-complementary

#28580D #180D58 #580D4E

monochromatic

#0C1B04 #102305 #28580D #408D15 #58C31D

Accessibility & contrast

On white

8.43

#28580D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.49

#28580D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #28580D

8.43:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##28580D	#FFFFFF	#000000	##FFFFFF
##28580D	1.00	8.43	2.49	8.43
#FFFFFF	8.43	1.00	21.00	1.00
#000000	2.49	21.00	1.00	21.00
##FFFFFF	8.43	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5B5000

Deuteranopia (green-blind)

#554C16

Tritanopia (blue-blind)

#25554A

Achromatopsia (no color)

#4D4D4D

Design tokens & code

CSS

--color: #28580d;
/* rgb */ color: rgb(40, 88, 13);
/* oklch */ color: oklch(41.1% 0.115 137.1);

Tailwind

colors: {
  custom: {
    50: '#688853',
    500: '#28580d',
    950: '#000000',
  },
}

SCSS

$custom: #28580d;
$custom-light: #688853;
$custom-dark: #000000;

JSON

{
  "hex": "#28580d",
  "rgb": {
    "r": 40,
    "g": 88,
    "b": 13
  },
  "hsl": {
    "h": 98.4,
    "s": 74.257,
    "l": 19.804
  },
  "oklch": {
    "l": 0.41086,
    "c": 0.11529,
    "h": 137.1
  },
  "luminance": 0.0746
}

Semantic roles & 50–950 ramp

primary

#28580D

secondary

#6E2E93

accent

#37F1AE

background

#F6F8F4

surface

#EBEFE7

border

#C6CAC3

text

#060B03

muted

#7A7C78

Preview Lab

Preview with #28580D

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

Preview Lab → · Contrast checker → · Palette generator →