#1D3B03#1D3B03

#1D3B03 is a dark, moderate yellow-green. Relative luminance 0.034; OKLCH L 31.7% C 0.088 H 134.4°. Best body text is #FFFFFF at 12.51:1 contrast (WCAG AA passes).

Color values

HEX	#1D3B03
RGB	rgb(29, 59, 3)
HSL	hsl(92, 90%, 12%)
HSV	hsv(92, 95%, 23%)
CMYK	cmyk(50.8%, 0%, 94.9%, 76.9%)
CIE-LAB	lab(21.56, -21.90, 28.14)
CIE-LCH	lch(21.56, 35.66, 127.88°)
OKLab	oklab(31.65% -0.0616 0.0628)
OKLCH	oklch(31.65% 0.088 134.4)
XYZ	xyz(2.0871, 3.3956, 0.6316)
Luminance	0.0340 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Forrest Green

#154406

ΔE00 3.72

Hunter Green (survey)

Forest Green (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1D3B03 #21033B

analogous

#393B03 #1D3B03 #033B05

triadic

#1D3B03 #031D3B #3B031D

tetradic

#1D3B03 #03393B #21033B #3B0503

square

#1D3B03 #03393B #21033B #3B0503

split-complementary

#1D3B03 #05033B #3B0339

monochromatic

#0E1D01 #0E1D01 #1D3B03 #3A7506 #56AF09

Accessibility & contrast

On white

12.51

#1D3B03 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.68

#1D3B03 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1D3B03

12.51:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1D3B03	#FFFFFF	#000000	##FFFFFF
##1D3B03	1.00	12.51	1.68	12.51
#FFFFFF	12.51	1.00	21.00	1.00
#000000	1.68	21.00	1.00	21.00
##FFFFFF	12.51	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3E3500

Deuteranopia (green-blind)

#3A3309

Tritanopia (blue-blind)

#1C3831

Achromatopsia (no color)

#343434

Design tokens & code

CSS

--color: #1d3b03;
/* rgb */ color: rgb(29, 59, 3);
/* oklch */ color: oklch(31.7% 0.088 134.4);

Tailwind

colors: {
  custom: {
    50: '#5d7149',
    500: '#1d3b03',
    950: '#000000',
  },
}

SCSS

$custom: #1d3b03;
$custom-light: #5d7149;
$custom-dark: #000000;

JSON

{
  "hex": "#1d3b03",
  "rgb": {
    "r": 29,
    "g": 59,
    "b": 3
  },
  "hsl": {
    "h": 92.143,
    "s": 90.323,
    "l": 12.157
  },
  "oklch": {
    "l": 0.31654,
    "c": 0.08798,
    "h": 134.4
  },
  "luminance": 0.03396
}

Semantic roles & 50–950 ramp

primary

#1D3B03

secondary

#501C7E

accent

#29FF9C

background

#F5F6F4

surface

#E9ECE7

border

#C5C7C3

text

#040701

muted

#797A77

Preview Lab

Preview with #1D3B03

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

Preview Lab → · Contrast checker → · Palette generator →