#1F3A04#1F3A04

#1F3A04 is a dark, moderate yellow-green. Relative luminance 0.033; OKLCH L 31.5% C 0.085 H 133.2°. Best body text is #FFFFFF at 12.61:1 contrast (WCAG AA passes).

Color values

HEX	#1F3A04
RGB	rgb(31, 58, 4)
HSL	hsl(90, 87%, 12%)
HSV	hsv(90, 93%, 23%)
CMYK	cmyk(46.6%, 0%, 93.1%, 77.3%)
CIE-LAB	lab(21.31, -20.50, 27.49)
CIE-LCH	lch(21.31, 34.29, 126.71°)
OKLab	oklab(31.48% -0.0579 0.0616)
OKLCH	oklch(31.48% 0.085 133.2)
XYZ	xyz(2.1000, 3.3261, 0.6462)
Luminance	0.0333 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Forrest Green

#154406

ΔE00 4.38

Hunter Green (survey)

Forest Green (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1F3A04 #1F043A

analogous

#3A3A04 #1F3A04 #043A04

triadic

#1F3A04 #041F3A #3A041F

tetradic

#1F3A04 #043A3A #1F043A #3A0404

square

#1F3A04 #043A3A #1F043A #3A0404

split-complementary

#1F3A04 #04043A #3A043A

monochromatic

#0F1D02 #0F1D02 #1F3A04 #3E7308 #5CAD0C

Accessibility & contrast

On white

12.61

#1F3A04 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.67

#1F3A04 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1F3A04

12.61:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1F3A04	#FFFFFF	#000000	##FFFFFF
##1F3A04	1.00	12.61	1.67	12.61
#FFFFFF	12.61	1.00	21.00	1.00
#000000	1.67	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)

#393209

Tritanopia (blue-blind)

#1F3730

Achromatopsia (no color)

#333333

Design tokens & code

CSS

--color: #1f3a04;
/* rgb */ color: rgb(31, 58, 4);
/* oklch */ color: oklch(31.5% 0.085 133.2);

Tailwind

colors: {
  custom: {
    50: '#5e704a',
    500: '#1f3a04',
    950: '#000000',
  },
}

SCSS

$custom: #1f3a04;
$custom-light: #5e704a;
$custom-dark: #000000;

JSON

{
  "hex": "#1f3a04",
  "rgb": {
    "r": 31,
    "g": 58,
    "b": 4
  },
  "hsl": {
    "h": 90,
    "s": 87.097,
    "l": 12.157
  },
  "oklch": {
    "l": 0.31476,
    "c": 0.0845,
    "h": 133.2
  },
  "luminance": 0.03326
}

Semantic roles & 50–950 ramp

primary

#1F3A04

secondary

#4D1E7C

accent

#2BFD94

background

#F5F6F4

surface

#E9ECE7

border

#C5C7C3

text

#040701

muted

#797A77

Preview Lab

Preview with #1F3A04

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

Preview Lab → · Contrast checker → · Palette generator →