#283104#283104

#283104 is a dark, moderate yellow-green. Relative luminance 0.027; OKLCH L 29.5% C 0.066 H 120.6°. Best body text is #FFFFFF at 13.71:1 contrast (WCAG AA passes).

Color values

HEX	#283104
RGB	rgb(40, 49, 4)
HSL	hsl(72, 85%, 10%)
HSV	hsv(72, 92%, 19%)
CMYK	cmyk(18.4%, 0%, 91.8%, 80.8%)
CIE-LAB	lab(18.61, -11.26, 24.62)
CIE-LCH	lch(18.61, 27.07, 114.58°)
OKLab	oklab(29.46% -0.0335 0.0567)
OKLCH	oklch(29.46% 0.066 120.6)
XYZ	xyz(1.9953, 2.6565, 0.5225)
Luminance	0.0266 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#283104 #0D0431

analogous

#312304 #283104 #113104

triadic

#283104 #042831 #310428

tetradic

#283104 #043123 #0D0431 #310411

square

#283104 #043123 #0D0431 #310411

split-complementary

#283104 #041131 #230431

monochromatic

#171C02 #171C02 #283104 #566A09 #84A20D

Accessibility & contrast

On white

13.71

#283104 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.53

#283104 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #283104

13.71:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##283104	#FFFFFF	#000000	##FFFFFF
##283104	1.00	13.71	1.53	13.71
#FFFFFF	13.71	1.00	21.00	1.00
#000000	1.53	21.00	1.00	21.00
##FFFFFF	13.71	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#352D00

Deuteranopia (green-blind)

#342D07

Tritanopia (blue-blind)

#2B2E29

Achromatopsia (no color)

#2D2D2D

Design tokens & code

CSS

--color: #283104;
/* rgb */ color: rgb(40, 49, 4);
/* oklch */ color: oklch(29.5% 0.066 120.6);

Tailwind

colors: {
  custom: {
    50: '#636949',
    500: '#283104',
    950: '#000000',
  },
}

SCSS

$custom: #283104;
$custom-light: #636949;
$custom-dark: #000000;

JSON

{
  "hex": "#283104",
  "rgb": {
    "r": 40,
    "g": 49,
    "b": 4
  },
  "hsl": {
    "h": 72,
    "s": 84.906,
    "l": 10.392
  },
  "oklch": {
    "l": 0.29455,
    "c": 0.06585,
    "h": 120.6
  },
  "luminance": 0.02657
}

Semantic roles & 50–950 ramp

primary

#283104

secondary

#2F1D73

accent

#2DFB56

background

#F6F6F4

surface

#EBEBE7

border

#C6C6C3

text

#050601

muted

#7A7A77

Preview Lab

Preview with #283104

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

Preview Lab → · Contrast checker → · Palette generator →