#1F3603#1F3603

#1F3603 is a dark, moderate yellow-green. Relative luminance 0.029; OKLCH L 30.2% C 0.080 H 131.5°. Best body text is #FFFFFF at 13.23:1 contrast (WCAG AA passes).

Color values

HEX	#1F3603
RGB	rgb(31, 54, 3)
HSL	hsl(87, 89%, 11%)
HSV	hsv(87, 94%, 21%)
CMYK	cmyk(42.6%, 0%, 94.4%, 78.8%)
CIE-LAB	lab(19.79, -18.54, 26.21)
CIE-LCH	lch(19.79, 32.10, 125.27°)
OKLab	oklab(30.23% -0.0527 0.0596)
OKLCH	oklch(30.23% 0.08 131.5)
XYZ	xyz(1.9007, 2.9361, 0.5527)
Luminance	0.0294 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Hunter Green (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1F3603 #1A0336

analogous

#363303 #1F3603 #053603

triadic

#1F3603 #031F36 #36031F

tetradic

#1F3603 #033633 #1A0336 #360305

square

#1F3603 #033633 #1A0336 #360305

split-complementary

#1F3603 #030536 #330336

monochromatic

#111D02 #111D02 #1F3603 #407006 #62AA09

Accessibility & contrast

On white

13.23

#1F3603 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.59

#1F3603 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1F3603

13.23:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1F3603	#FFFFFF	#000000	##FFFFFF
##1F3603	1.00	13.23	1.59	13.23
#FFFFFF	13.23	1.00	21.00	1.00
#000000	1.59	21.00	1.00	21.00
##FFFFFF	13.23	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#393100

Deuteranopia (green-blind)

#362F08

Tritanopia (blue-blind)

#20332D

Achromatopsia (no color)

#303030

Design tokens & code

CSS

--color: #1f3603;
/* rgb */ color: rgb(31, 54, 3);
/* oklch */ color: oklch(30.2% 0.080 131.5);

Tailwind

colors: {
  custom: {
    50: '#5d6d49',
    500: '#1f3603',
    950: '#000000',
  },
}

SCSS

$custom: #1f3603;
$custom-light: #5d6d49;
$custom-dark: #000000;

JSON

{
  "hex": "#1f3603",
  "rgb": {
    "r": 31,
    "g": 54,
    "b": 3
  },
  "hsl": {
    "h": 87.059,
    "s": 89.474,
    "l": 11.176
  },
  "oklch": {
    "l": 0.3023,
    "c": 0.07957,
    "h": 131.5
  },
  "luminance": 0.02936
}

Semantic roles & 50–950 ramp

primary

#1F3603

secondary

#461C79

accent

#29FF89

background

#F5F6F4

surface

#E9EBE7

border

#C5C6C3

text

#040701

muted

#797A77

Preview Lab

Preview with #1F3603

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

Preview Lab → · Contrast checker → · Palette generator →