#1C3F03#1C3F03

#1C3F03 is a dark, moderate yellow-green. Relative luminance 0.038; OKLCH L 32.8% C 0.094 H 135.9°. Best body text is #FFFFFF at 11.92:1 contrast (WCAG AA passes).

Color values

HEX	#1C3F03
RGB	rgb(28, 63, 3)
HSL	hsl(95, 91%, 13%)
HSV	hsv(95, 95%, 25%)
CMYK	cmyk(55.6%, 0%, 95.2%, 75.3%)
CIE-LAB	lab(23.03, -24.17, 29.67)
CIE-LCH	lch(23.03, 38.27, 129.17°)
OKLab	oklab(32.84% -0.0676 0.0655)
OKLCH	oklch(32.84% 0.094 135.9)
XYZ	xyz(2.2728, 3.8083, 0.7014)
Luminance	0.0381 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Forrest Green

#154406

ΔE00 2.32

Hunter Green (survey)

Forest Green (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1C3F03 #26033F

analogous

#3A3F03 #1C3F03 #033F08

triadic

#1C3F03 #031C3F #3F031C

tetradic

#1C3F03 #033A3F #26033F #3F0803

square

#1C3F03 #033A3F #26033F #3F0803

split-complementary

#1C3F03 #08033F #3F033A

monochromatic

#0D1D01 #0D1D01 #1C3F03 #367906 #50B409

Accessibility & contrast

On white

11.92

#1C3F03 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.76

#1C3F03 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1C3F03

11.92:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1C3F03	#FFFFFF	#000000	##FFFFFF
##1C3F03	1.00	11.92	1.76	11.92
#FFFFFF	11.92	1.00	21.00	1.00
#000000	1.76	21.00	1.00	21.00
##FFFFFF	11.92	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#423900

Deuteranopia (green-blind)

#3D3609

Tritanopia (blue-blind)

#1A3C34

Achromatopsia (no color)

#373737

Design tokens & code

CSS

--color: #1c3f03;
/* rgb */ color: rgb(28, 63, 3);
/* oklch */ color: oklch(32.8% 0.094 135.9);

Tailwind

colors: {
  custom: {
    50: '#5d744a',
    500: '#1c3f03',
    950: '#000000',
  },
}

SCSS

$custom: #1c3f03;
$custom-light: #5d744a;
$custom-dark: #000000;

JSON

{
  "hex": "#1c3f03",
  "rgb": {
    "r": 28,
    "g": 63,
    "b": 3
  },
  "hsl": {
    "h": 95,
    "s": 90.909,
    "l": 12.941
  },
  "oklch": {
    "l": 0.32844,
    "c": 0.09412,
    "h": 135.9
  },
  "luminance": 0.03808
}

Semantic roles & 50–950 ramp

primary

#1C3F03

secondary

#571D81

accent

#29FFA6

background

#F5F7F4

surface

#E9EDE7

border

#C5C8C3

text

#040801

muted

#797B77

Preview Lab

Preview with #1C3F03

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

Preview Lab → · Contrast checker → · Palette generator →