#18310A#18310A

#18310A is a dark, moderate yellow-green. Relative luminance 0.024; OKLCH L 28.3% C 0.070 H 136.3°. Best body text is #FFFFFF at 14.16:1 contrast (WCAG AA passes).

Color values

HEX	#18310A
RGB	rgb(24, 49, 10)
HSL	hsl(98, 66%, 12%)
HSV	hsv(98, 80%, 19%)
CMYK	cmyk(51%, 0%, 79.6%, 80.8%)
CIE-LAB	lab(17.52, -18.24, 20.59)
CIE-LCH	lch(17.52, 27.51, 131.53°)
OKLab	oklab(28.28% -0.0506 0.0484)
OKLCH	oklch(28.28% 0.07 136.3)
XYZ	xyz(1.5297, 2.4126, 0.6722)
Luminance	0.0241 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Hunter Green (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#18310A #230A31

analogous

#2C310A #18310A #0A3110

triadic

#18310A #0A1831 #310A18

tetradic

#18310A #0A2C31 #230A31 #31100A

square

#18310A #0A2C31 #230A31 #31100A

split-complementary

#18310A #100A31 #310A2C

monochromatic

#0C1905 #0C1905 #18310A #316414 #4A971F

Accessibility & contrast

On white

14.16

#18310A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.48

#18310A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #18310A

14.16:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##18310A	#FFFFFF	#000000	##FFFFFF
##18310A	1.00	14.16	1.48	14.16
#FFFFFF	14.16	1.00	21.00	1.00
#000000	1.48	21.00	1.00	21.00
##FFFFFF	14.16	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#332C06

Deuteranopia (green-blind)

#302A0D

Tritanopia (blue-blind)

#172F29

Achromatopsia (no color)

#2B2B2B

Design tokens & code

CSS

--color: #18310a;
/* rgb */ color: rgb(24, 49, 10);
/* oklch */ color: oklch(28.3% 0.070 136.3);

Tailwind

colors: {
  custom: {
    50: '#57694c',
    500: '#18310a',
    950: '#000000',
  },
}

SCSS

$custom: #18310a;
$custom-light: #57694c;
$custom-dark: #000000;

JSON

{
  "hex": "#18310a",
  "rgb": {
    "r": 24,
    "g": 49,
    "b": 10
  },
  "hsl": {
    "h": 98.462,
    "s": 66.102,
    "l": 11.569
  },
  "oklch": {
    "l": 0.28283,
    "c": 0.07001,
    "h": 136.3
  },
  "luminance": 0.02413
}

Semantic roles & 50–950 ramp

primary

#18310A

secondary

#55296E

accent

#3FE9AC

background

#F5F6F4

surface

#E9EBE7

border

#C5C6C3

text

#030601

muted

#787A77

Preview Lab

Preview with #18310A

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

Preview Lab → · Contrast checker → · Palette generator →