#1F3A03#1F3A03

#1F3A03 is a dark, moderate yellow-green. Relative luminance 0.033; OKLCH L 31.5% C 0.085 H 133.0°. Best body text is #FFFFFF at 12.61:1 contrast (WCAG AA passes).

Color values

HEX	#1F3A03
RGB	rgb(31, 58, 3)
HSL	hsl(89, 90%, 12%)
HSV	hsv(89, 95%, 23%)
CMYK	cmyk(46.6%, 0%, 94.8%, 77.3%)
CIE-LAB	lab(21.30, -20.58, 27.89)
CIE-LCH	lch(21.30, 34.66, 126.43°)
OKLab	oklab(31.47% -0.0582 0.0624)
OKLCH	oklch(31.47% 0.085 133)
XYZ	xyz(2.0945, 3.3239, 0.6173)
Luminance	0.0332 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Forrest Green

#154406

ΔE00 4.37

Hunter Green (survey)

Forest Green (survey)

#06470C

ΔE00 6.35

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1F3A03 #1E033A

analogous

#3A3A03 #1F3A03 #033A03

triadic

#1F3A03 #031F3A #3A031F

tetradic

#1F3A03 #033A3A #1E033A #3A0303

square

#1F3A03 #033A3A #1E033A #3A0303

split-complementary

#1F3A03 #03033A #3A033A

monochromatic

#101D02 #101D02 #1F3A03 #3E7406 #5DAE09

Accessibility & contrast

On white

12.61

#1F3A03 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.66

#1F3A03 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1F3A03

12.61:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1F3A03	#FFFFFF	#000000	##FFFFFF
##1F3A03	1.00	12.61	1.66	12.61
#FFFFFF	12.61	1.00	21.00	1.00
#000000	1.66	21.00	1.00	21.00
##FFFFFF	12.61	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3D3400

Deuteranopia (green-blind)

#393208

Tritanopia (blue-blind)

#1F3730

Achromatopsia (no color)

#333333

Design tokens & code

CSS

--color: #1f3a03;
/* rgb */ color: rgb(31, 58, 3);
/* oklch */ color: oklch(31.5% 0.085 133.0);

Tailwind

colors: {
  custom: {
    50: '#5e7049',
    500: '#1f3a03',
    950: '#000000',
  },
}

SCSS

$custom: #1f3a03;
$custom-light: #5e7049;
$custom-dark: #000000;

JSON

{
  "hex": "#1f3a03",
  "rgb": {
    "r": 31,
    "g": 58,
    "b": 3
  },
  "hsl": {
    "h": 89.455,
    "s": 90.164,
    "l": 11.961
  },
  "oklch": {
    "l": 0.31466,
    "c": 0.08534,
    "h": 133
  },
  "luminance": 0.03324
}

Semantic roles & 50–950 ramp

primary

#1F3A03

secondary

#4C1C7D

accent

#29FF92

background

#F5F6F4

surface

#E9ECE7

border

#C5C7C3

text

#040701

muted

#797A77

Preview Lab

Preview with #1F3A03

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

Preview Lab → · Contrast checker → · Palette generator →