#28580F#28580F

#28580F is a dark, moderate yellow-green. Relative luminance 0.075; OKLCH L 41.1% C 0.114 H 137.4°. Best body text is #FFFFFF at 8.42:1 contrast (WCAG AA passes).

Color values

HEX	#28580F
RGB	rgb(40, 88, 15)
HSL	hsl(99, 71%, 20%)
HSV	hsv(99, 83%, 35%)
CMYK	cmyk(54.5%, 0%, 83%, 65.5%)
CIE-LAB	lab(32.84, -30.31, 34.64)
CIE-LCH	lch(32.84, 46.02, 131.18°)
OKLab	oklab(41.1% -0.084 0.0773)
OKLCH	oklch(41.1% 0.114 137.4)
XYZ	xyz(4.4509, 7.4647, 1.6581)
Luminance	0.0746 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#28580F #3F0F58

analogous

#4C580F #28580F #0F581A

triadic

#28580F #0F2858 #580F28

tetradic

#28580F #0F4C58 #3F0F58 #581A0F

square

#28580F #0F4C58 #3F0F58 #581A0F

split-complementary

#28580F #1A0F58 #580F4C

monochromatic

#0C1A04 #102406 #28580F #408C18 #58C121

Accessibility & contrast

On white

8.42

#28580F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.49

#28580F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #28580F

8.42:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##28580F	#FFFFFF	#000000	##FFFFFF
##28580F	1.00	8.42	2.49	8.42
#FFFFFF	8.42	1.00	21.00	1.00
#000000	2.49	21.00	1.00	21.00
##FFFFFF	8.42	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5B5001

Deuteranopia (green-blind)

#554C17

Tritanopia (blue-blind)

#25554A

Achromatopsia (no color)

#4D4D4D

Design tokens & code

CSS

--color: #28580f;
/* rgb */ color: rgb(40, 88, 15);
/* oklch */ color: oklch(41.1% 0.114 137.4);

Tailwind

colors: {
  custom: {
    50: '#688854',
    500: '#28580f',
    950: '#000000',
  },
}

SCSS

$custom: #28580f;
$custom-light: #688854;
$custom-dark: #000000;

JSON

{
  "hex": "#28580f",
  "rgb": {
    "r": 40,
    "g": 88,
    "b": 15
  },
  "hsl": {
    "h": 99.452,
    "s": 70.874,
    "l": 20.196
  },
  "oklch": {
    "l": 0.41099,
    "c": 0.11416,
    "h": 137.4
  },
  "luminance": 0.07465
}

Semantic roles & 50–950 ramp

primary

#28580F

secondary

#713192

accent

#3AEEB0

background

#F6F8F5

surface

#EBEFE9

border

#C6CAC5

text

#060B03

muted

#7A7C78

Preview Lab

Preview with #28580F

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

Preview Lab → · Contrast checker → · Palette generator →