#1D3803#1D3803

#1D3803 is a dark, moderate yellow-green. Relative luminance 0.031; OKLCH L 30.7% C 0.084 H 133.5°. Best body text is #FFFFFF at 12.97:1 contrast (WCAG AA passes).

Color values

HEX	#1D3803
RGB	rgb(29, 56, 3)
HSL	hsl(91, 90%, 12%)
HSV	hsv(91, 95%, 22%)
CMYK	cmyk(48.2%, 0%, 94.6%, 78%)
CIE-LAB	lab(20.42, -20.42, 26.90)
CIE-LCH	lch(20.42, 33.77, 127.21°)
OKLab	oklab(30.72% -0.0576 0.0607)
OKLCH	oklch(30.72% 0.084 133.5)
XYZ	xyz(1.9373, 3.0960, 0.5816)
Luminance	0.0310 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Dark Green

#033500

ΔE00 4.31

Hunter Green (survey)

Forest Green (survey)

#06470C

ΔE00 6.60

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1D3803 #1E0338

analogous

#383803 #1D3803 #033803

triadic

#1D3803 #031D38 #38031D

tetradic

#1D3803 #033838 #1E0338 #380303

square

#1D3803 #033838 #1E0338 #380303

split-complementary

#1D3803 #030338 #380338

monochromatic

#0F1D02 #0F1D02 #1D3803 #3B7206 #59AC09

Accessibility & contrast

On white

12.97

#1D3803 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.62

#1D3803 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1D3803

12.97:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1D3803	#FFFFFF	#000000	##FFFFFF
##1D3803	1.00	12.97	1.62	12.97
#FFFFFF	12.97	1.00	21.00	1.00
#000000	1.62	21.00	1.00	21.00
##FFFFFF	12.97	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3B3300

Deuteranopia (green-blind)

#373008

Tritanopia (blue-blind)

#1D352E

Achromatopsia (no color)

#313131

Design tokens & code

CSS

--color: #1d3803;
/* rgb */ color: rgb(29, 56, 3);
/* oklch */ color: oklch(30.7% 0.084 133.5);

Tailwind

colors: {
  custom: {
    50: '#5c6f49',
    500: '#1d3803',
    950: '#000000',
  },
}

SCSS

$custom: #1d3803;
$custom-light: #5c6f49;
$custom-dark: #000000;

JSON

{
  "hex": "#1d3803",
  "rgb": {
    "r": 29,
    "g": 56,
    "b": 3
  },
  "hsl": {
    "h": 90.566,
    "s": 89.831,
    "l": 11.569
  },
  "oklch": {
    "l": 0.3072,
    "c": 0.08374,
    "h": 133.5
  },
  "luminance": 0.03096
}

Semantic roles & 50–950 ramp

primary

#1D3803

secondary

#4C1C7B

accent

#29FF96

background

#F5F6F4

surface

#E9ECE7

border

#C5C7C3

text

#040701

muted

#797A77

Preview Lab

Preview with #1D3803

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

Preview Lab → · Contrast checker → · Palette generator →