#31510C#31510C

#31510C is a dark, moderate yellow-green. Relative luminance 0.066; OKLCH L 39.5% C 0.101 H 132.0°. Best body text is #FFFFFF at 9.08:1 contrast (WCAG AA passes).

Color values

HEX	#31510C
RGB	rgb(49, 81, 12)
HSL	hsl(88, 74%, 18%)
HSV	hsv(88, 85%, 32%)
CMYK	cmyk(39.5%, 0%, 85.2%, 68.2%)
CIE-LAB	lab(30.79, -23.88, 33.94)
CIE-LCH	lch(30.79, 41.50, 125.12°)
OKLab	oklab(39.54% -0.0676 0.0751)
OKLCH	oklch(39.54% 0.101 132)
XYZ	xyz(4.2754, 6.5642, 1.3895)
Luminance	0.0656 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#31510C #2C0C51

analogous

#514E0C #31510C #0E510C

triadic

#31510C #0C3151 #510C31

tetradic

#31510C #0C514E #2C0C51 #510C0E

square

#31510C #0C514E #2C0C51 #510C0E

split-complementary

#31510C #0C0E51 #4E0C51

monochromatic

#101B04 #111C04 #31510C #518614 #71BC1C

Accessibility & contrast

On white

9.08

#31510C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.31

#31510C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #31510C

9.08:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##31510C	#FFFFFF	#000000	##FFFFFF
##31510C	1.00	9.08	2.31	9.08
#FFFFFF	9.08	1.00	21.00	1.00
#000000	2.31	21.00	1.00	21.00
##FFFFFF	9.08	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#554A00

Deuteranopia (green-blind)

#514813

Tritanopia (blue-blind)

#324D44

Achromatopsia (no color)

#484848

Design tokens & code

CSS

--color: #31510c;
/* rgb */ color: rgb(49, 81, 12);
/* oklch */ color: oklch(39.5% 0.101 132.0);

Tailwind

colors: {
  custom: {
    50: '#6d8251',
    500: '#31510c',
    950: '#000000',
  },
}

SCSS

$custom: #31510c;
$custom-light: #6d8251;
$custom-dark: #000000;

JSON

{
  "hex": "#31510c",
  "rgb": {
    "r": 49,
    "g": 81,
    "b": 12
  },
  "hsl": {
    "h": 87.826,
    "s": 74.194,
    "l": 18.235
  },
  "oklch": {
    "l": 0.39538,
    "c": 0.10105,
    "h": 132
  },
  "luminance": 0.06564
}

Semantic roles & 50–950 ramp

primary

#31510C

secondary

#592C8C

accent

#37F18D

background

#F6F7F4

surface

#ECEEE7

border

#C7C9C3

text

#070A02

muted

#7A7C78

Preview Lab

Preview with #31510C

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

Preview Lab → · Contrast checker → · Palette generator →