#1D3603#1D3603

#1D3603 is a dark, moderate yellow-green. Relative luminance 0.029; OKLCH L 30.1% C 0.081 H 132.8°. Best body text is #FFFFFF at 13.28:1 contrast (WCAG AA passes).

Color values

HEX	#1D3603
RGB	rgb(29, 54, 3)
HSL	hsl(89, 89%, 11%)
HSV	hsv(89, 94%, 21%)
CMYK	cmyk(46.3%, 0%, 94.4%, 78.8%)
CIE-LAB	lab(19.66, -19.41, 26.04)
CIE-LCH	lch(19.66, 32.48, 126.71°)
OKLab	oklab(30.1% -0.0549 0.0593)
OKLCH	oklch(30.1% 0.081 132.8)
XYZ	xyz(1.8423, 2.9060, 0.5500)
Luminance	0.0291 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Hunter Green (survey)

Forest Green (survey)

#06470C

ΔE00 7.25

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1D3603 #1C0336

analogous

#363503 #1D3603 #033603

triadic

#1D3603 #031D36 #36031D

tetradic

#1D3603 #033635 #1C0336 #360303

square

#1D3603 #033635 #1C0336 #360303

split-complementary

#1D3603 #030336 #350336

monochromatic

#101D02 #101D02 #1D3603 #3C7006 #5BAA09

Accessibility & contrast

On white

13.28

#1D3603 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.58

#1D3603 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1D3603

13.28:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1D3603	#FFFFFF	#000000	##FFFFFF
##1D3603	1.00	13.28	1.58	13.28
#FFFFFF	13.28	1.00	21.00	1.00
#000000	1.58	21.00	1.00	21.00
##FFFFFF	13.28	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#393100

Deuteranopia (green-blind)

#352F08

Tritanopia (blue-blind)

#1D332D

Achromatopsia (no color)

#303030

Design tokens & code

CSS

--color: #1d3603;
/* rgb */ color: rgb(29, 54, 3);
/* oklch */ color: oklch(30.1% 0.081 132.8);

Tailwind

colors: {
  custom: {
    50: '#5c6d49',
    500: '#1d3603',
    950: '#000000',
  },
}

SCSS

$custom: #1d3603;
$custom-light: #5c6d49;
$custom-dark: #000000;

JSON

{
  "hex": "#1d3603",
  "rgb": {
    "r": 29,
    "g": 54,
    "b": 3
  },
  "hsl": {
    "h": 89.412,
    "s": 89.474,
    "l": 11.176
  },
  "oklch": {
    "l": 0.30097,
    "c": 0.08085,
    "h": 132.8
  },
  "luminance": 0.02906
}

Semantic roles & 50–950 ramp

primary

#1D3603

secondary

#491C79

accent

#29FF92

background

#F5F6F4

surface

#E9EBE7

border

#C5C6C3

text

#040701

muted

#797A77

Preview Lab

Preview with #1D3603

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

Preview Lab → · Contrast checker → · Palette generator →