#1F3C09#1F3C09

#1F3C09 is a dark, moderate yellow-green. Relative luminance 0.035; OKLCH L 32.1% C 0.084 H 134.9°. Best body text is #FFFFFF at 12.29:1 contrast (WCAG AA passes).

Color values

HEX	#1F3C09
RGB	rgb(31, 60, 9)
HSL	hsl(94, 74%, 14%)
HSV	hsv(94, 85%, 24%)
CMYK	cmyk(48.3%, 0%, 85%, 76.5%)
CIE-LAB	lab(22.10, -21.07, 26.30)
CIE-LCH	lch(22.10, 33.70, 128.70°)
OKLab	oklab(32.14% -0.0589 0.0592)
OKLCH	oklch(32.14% 0.084 134.9)
XYZ	xyz(2.2302, 3.5426, 0.8247)
Luminance	0.0354 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Forrest Green

#154406

ΔE00 3.83

Hunter Green (survey)

Forest Green (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1F3C09 #26093C

analogous

#383C09 #1F3C09 #093C0C

triadic

#1F3C09 #091F3C #3C091F

tetradic

#1F3C09 #09383C #26093C #3C0C09

square

#1F3C09 #09383C #26093C #3C0C09

split-complementary

#1F3C09 #0C093C #3C0938

monochromatic

#0E1B04 #0E1B04 #1F3C09 #3A7111 #56A619

Accessibility & contrast

On white

12.29

#1F3C09 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.71

#1F3C09 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1F3C09

12.29:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1F3C09	#FFFFFF	#000000	##FFFFFF
##1F3C09	1.00	12.29	1.71	12.29
#FFFFFF	12.29	1.00	21.00	1.00
#000000	1.71	21.00	1.00	21.00
##FFFFFF	12.29	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3F3602

Deuteranopia (green-blind)

#3B340E

Tritanopia (blue-blind)

#1E3932

Achromatopsia (no color)

#353535

Design tokens & code

CSS

--color: #1f3c09;
/* rgb */ color: rgb(31, 60, 9);
/* oklch */ color: oklch(32.1% 0.084 134.9);

Tailwind

colors: {
  custom: {
    50: '#5e724c',
    500: '#1f3c09',
    950: '#000000',
  },
}

SCSS

$custom: #1f3c09;
$custom-light: #5e724c;
$custom-dark: #000000;

JSON

{
  "hex": "#1f3c09",
  "rgb": {
    "r": 31,
    "g": 60,
    "b": 9
  },
  "hsl": {
    "h": 94.118,
    "s": 73.913,
    "l": 13.529
  },
  "oklch": {
    "l": 0.32138,
    "c": 0.08352,
    "h": 134.9
  },
  "luminance": 0.03543
}

Semantic roles & 50–950 ramp

primary

#1F3C09

secondary

#56277A

accent

#37F1A1

background

#F5F6F4

surface

#E9ECE7

border

#C5C7C3

text

#040801

muted

#797B77

Preview Lab

Preview with #1F3C09

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

Preview Lab → · Contrast checker → · Palette generator →