#28510F#28510F

#28510F is a dark, moderate yellow-green. Relative luminance 0.064; OKLCH L 39.0% C 0.105 H 136.3°. Best body text is #FFFFFF at 9.23:1 contrast (WCAG AA passes).

Color values

HEX	#28510F
RGB	rgb(40, 81, 15)
HSL	hsl(97, 69%, 19%)
HSV	hsv(97, 81%, 32%)
CMYK	cmyk(50.6%, 0%, 81.5%, 68.2%)
CIE-LAB	lab(30.33, -27.18, 32.19)
CIE-LCH	lch(30.33, 42.13, 130.18°)
OKLab	oklab(39.03% -0.0756 0.0722)
OKLCH	oklch(39.03% 0.105 136.3)
XYZ	xyz(3.9036, 6.3702, 1.4757)
Luminance	0.0637 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#28510F #380F51

analogous

#49510F #28510F #0F5117

triadic

#28510F #0F2851 #510F28

tetradic

#28510F #0F4951 #380F51 #51170F

square

#28510F #0F4951 #380F51 #51170F

split-complementary

#28510F #170F51 #510F49

monochromatic

#0D1A05 #0F1D05 #28510F #428519 #5BB822

Accessibility & contrast

On white

9.23

#28510F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.27

#28510F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #28510F

9.23:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##28510F	#FFFFFF	#000000	##FFFFFF
##28510F	1.00	9.23	2.27	9.23
#FFFFFF	9.23	1.00	21.00	1.00
#000000	2.27	21.00	1.00	21.00
##FFFFFF	9.23	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#544A03

Deuteranopia (green-blind)

#4F4616

Tritanopia (blue-blind)

#264E44

Achromatopsia (no color)

#474747

Design tokens & code

CSS

--color: #28510f;
/* rgb */ color: rgb(40, 81, 15);
/* oklch */ color: oklch(39.0% 0.105 136.3);

Tailwind

colors: {
  custom: {
    50: '#678253',
    500: '#28510f',
    950: '#000000',
  },
}

SCSS

$custom: #28510f;
$custom-light: #678253;
$custom-dark: #000000;

JSON

{
  "hex": "#28510f",
  "rgb": {
    "r": 40,
    "g": 81,
    "b": 15
  },
  "hsl": {
    "h": 97.273,
    "s": 68.75,
    "l": 18.824
  },
  "oklch": {
    "l": 0.39032,
    "c": 0.10452,
    "h": 136.3
  },
  "luminance": 0.0637
}

Semantic roles & 50–950 ramp

primary

#28510F

secondary

#69318B

accent

#3CECA9

background

#F6F8F4

surface

#EBEFE7

border

#C6CAC3

text

#060A02

muted

#7A7C78

Preview Lab

Preview with #28510F

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

Preview Lab → · Contrast checker → · Palette generator →