#1D310B#1D310B

#1D310B is a dark, moderate yellow-green. Relative luminance 0.025; OKLCH L 28.6% C 0.066 H 132.8°. Best body text is #FFFFFF at 14.03:1 contrast (WCAG AA passes).

Color values

HEX	#1D310B
RGB	rgb(29, 49, 11)
HSL	hsl(92, 63%, 12%)
HSV	hsv(92, 78%, 19%)
CMYK	cmyk(40.8%, 0%, 77.6%, 80.8%)
CIE-LAB	lab(17.84, -15.98, 20.63)
CIE-LCH	lch(17.84, 26.09, 127.77°)
OKLab	oklab(28.63% -0.0447 0.0483)
OKLCH	oklch(28.63% 0.066 132.8)
XYZ	xyz(1.6654, 2.4819, 0.7079)
Luminance	0.0248 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Hunter Green (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1D310B #1F0B31

analogous

#30310B #1D310B #0B310C

triadic

#1D310B #0B1D31 #310B1D

tetradic

#1D310B #0B3031 #1F0B31 #310C0B

square

#1D310B #0B3031 #1F0B31 #310C0B

split-complementary

#1D310B #0C0B31 #310B30

monochromatic

#0F1906 #0F1906 #1D310B #3B6316 #589521

Accessibility & contrast

On white

14.03

#1D310B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.50

#1D310B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1D310B

14.03:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1D310B	#FFFFFF	#000000	##FFFFFF
##1D310B	1.00	14.03	1.50	14.03
#FFFFFF	14.03	1.00	21.00	1.00
#000000	1.50	21.00	1.00	21.00
##FFFFFF	14.03	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#332D07

Deuteranopia (green-blind)

#312B0E

Tritanopia (blue-blind)

#1D2F29

Achromatopsia (no color)

#2C2C2C

Design tokens & code

CSS

--color: #1d310b;
/* rgb */ color: rgb(29, 49, 11);
/* oklch */ color: oklch(28.6% 0.066 132.8);

Tailwind

colors: {
  custom: {
    50: '#5b694c',
    500: '#1d310b',
    950: '#000000',
  },
}

SCSS

$custom: #1d310b;
$custom-light: #5b694c;
$custom-dark: #000000;

JSON

{
  "hex": "#1d310b",
  "rgb": {
    "r": 29,
    "g": 49,
    "b": 11
  },
  "hsl": {
    "h": 91.579,
    "s": 63.333,
    "l": 11.765
  },
  "oklch": {
    "l": 0.28628,
    "c": 0.06581,
    "h": 132.8
  },
  "luminance": 0.02482
}

Semantic roles & 50–950 ramp

primary

#1D310B

secondary

#4E2A6E

accent

#41E698

background

#F5F6F4

surface

#E9EBE7

border

#C5C6C3

text

#040601

muted

#797A77

Preview Lab

Preview with #1D310B

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

Preview Lab → · Contrast checker → · Palette generator →