#1C3603#1C3603

#1C3603 is a dark, moderate yellow-green. Relative luminance 0.029; OKLCH L 30.0% C 0.081 H 133.4°. Best body text is #FFFFFF at 13.30:1 contrast (WCAG AA passes).

Color values

HEX	#1C3603
RGB	rgb(28, 54, 3)
HSL	hsl(91, 89%, 11%)
HSV	hsv(91, 94%, 21%)
CMYK	cmyk(48.1%, 0%, 94.4%, 78.8%)
CIE-LAB	lab(19.60, -19.84, 25.95)
CIE-LCH	lch(19.60, 32.67, 127.39°)
OKLab	oklab(30.03% -0.056 0.0592)
OKLCH	oklch(30.03% 0.081 133.4)
XYZ	xyz(1.8145, 2.8917, 0.5487)
Luminance	0.0289 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Hunter Green (survey)

Forest Green (survey)

#06470C

ΔE00 7.08

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1C3603 #1D0336

analogous

#353603 #1C3603 #033603

triadic

#1C3603 #031C36 #36031C

tetradic

#1C3603 #033536 #1D0336 #360303

square

#1C3603 #033536 #1D0336 #360303

split-complementary

#1C3603 #030336 #360335

monochromatic

#0F1D02 #0F1D02 #1C3603 #3A7006 #58AA09

Accessibility & contrast

On white

13.30

#1C3603 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.58

#1C3603 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1C3603

13.30:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1C3603	#FFFFFF	#000000	##FFFFFF
##1C3603	1.00	13.30	1.58	13.30
#FFFFFF	13.30	1.00	21.00	1.00
#000000	1.58	21.00	1.00	21.00
##FFFFFF	13.30	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#393100

Deuteranopia (green-blind)

#352F08

Tritanopia (blue-blind)

#1C332D

Achromatopsia (no color)

#2F2F2F

Design tokens & code

CSS

--color: #1c3603;
/* rgb */ color: rgb(28, 54, 3);
/* oklch */ color: oklch(30.0% 0.081 133.4);

Tailwind

colors: {
  custom: {
    50: '#5b6d49',
    500: '#1c3603',
    950: '#000000',
  },
}

SCSS

$custom: #1c3603;
$custom-light: #5b6d49;
$custom-dark: #000000;

JSON

{
  "hex": "#1c3603",
  "rgb": {
    "r": 28,
    "g": 54,
    "b": 3
  },
  "hsl": {
    "h": 90.588,
    "s": 89.474,
    "l": 11.176
  },
  "oklch": {
    "l": 0.30033,
    "c": 0.08148,
    "h": 133.4
  },
  "luminance": 0.02892
}

Semantic roles & 50–950 ramp

primary

#1C3603

secondary

#4B1C79

accent

#29FF96

background

#F5F6F4

surface

#E9EBE7

border

#C5C6C3

text

#040701

muted

#797A77

Preview Lab

Preview with #1C3603

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

Preview Lab → · Contrast checker → · Palette generator →