#1F3A09#1F3A09

#1F3A09 is a dark, moderate yellow-green. Relative luminance 0.033; OKLCH L 31.5% C 0.081 H 134.3°. Best body text is #FFFFFF at 12.59:1 contrast (WCAG AA passes).

Color values

HEX	#1F3A09
RGB	rgb(31, 58, 9)
HSL	hsl(93, 73%, 13%)
HSV	hsv(93, 84%, 23%)
CMYK	cmyk(46.6%, 0%, 84.5%, 77.3%)
CIE-LAB	lab(21.35, -20.06, 25.50)
CIE-LCH	lch(21.35, 32.45, 128.20°)
OKLab	oklab(31.52% -0.0562 0.0577)
OKLCH	oklch(31.52% 0.081 134.3)
XYZ	xyz(2.1274, 3.3370, 0.7904)
Luminance	0.0334 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Hunter Green (survey)

Forest Green (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1F3A09 #24093A

analogous

#373A09 #1F3A09 #093A0B

triadic

#1F3A09 #091F3A #3A091F

tetradic

#1F3A09 #09373A #24093A #3A0B09

square

#1F3A09 #09373A #24093A #3A0B09

split-complementary

#1F3A09 #0B093A #3A0937

monochromatic

#0E1A04 #0E1A04 #1F3A09 #3B6F11 #58A419

Accessibility & contrast

On white

12.59

#1F3A09 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.67

#1F3A09 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1F3A09

12.59:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1F3A09	#FFFFFF	#000000	##FFFFFF
##1F3A09	1.00	12.59	1.67	12.59
#FFFFFF	12.59	1.00	21.00	1.00
#000000	1.67	21.00	1.00	21.00
##FFFFFF	12.59	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3D3503

Deuteranopia (green-blind)

#39320E

Tritanopia (blue-blind)

#1F3731

Achromatopsia (no color)

#333333

Design tokens & code

CSS

--color: #1f3a09;
/* rgb */ color: rgb(31, 58, 9);
/* oklch */ color: oklch(31.5% 0.081 134.3);

Tailwind

colors: {
  custom: {
    50: '#5e704c',
    500: '#1f3a09',
    950: '#000000',
  },
}

SCSS

$custom: #1f3a09;
$custom-light: #5e704c;
$custom-dark: #000000;

JSON

{
  "hex": "#1f3a09",
  "rgb": {
    "r": 31,
    "g": 58,
    "b": 9
  },
  "hsl": {
    "h": 93.061,
    "s": 73.134,
    "l": 13.137
  },
  "oklch": {
    "l": 0.31522,
    "c": 0.08051,
    "h": 134.3
  },
  "luminance": 0.03337
}

Semantic roles & 50–950 ramp

primary

#1F3A09

secondary

#542778

accent

#38F09D

background

#F5F6F4

surface

#E9ECE7

border

#C5C7C3

text

#040701

muted

#797A77

Preview Lab

Preview with #1F3A09

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

Preview Lab → · Contrast checker → · Palette generator →