#1F3C05#1F3C05

#1F3C05 is a dark, moderate yellow-green. Relative luminance 0.035; OKLCH L 32.1% C 0.087 H 134.1°. Best body text is #FFFFFF at 12.30:1 contrast (WCAG AA passes).

Color values

HEX	#1F3C05
RGB	rgb(31, 60, 5)
HSL	hsl(92, 85%, 13%)
HSV	hsv(92, 92%, 24%)
CMYK	cmyk(48.3%, 0%, 91.7%, 76.5%)
CIE-LAB	lab(22.07, -21.41, 27.90)
CIE-LCH	lch(22.07, 35.17, 127.50°)
OKLab	oklab(32.1% -0.0602 0.0622)
OKLCH	oklch(32.1% 0.087 134.1)
XYZ	xyz(2.2083, 3.5339, 0.7093)
Luminance	0.0353 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Forrest Green

#154406

ΔE00 3.72

Hunter Green (survey)

Forest Green (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1F3C05 #22053C

analogous

#3A3C05 #1F3C05 #053C06

triadic

#1F3C05 #051F3C #3C051F

tetradic

#1F3C05 #053A3C #22053C #3C0605

square

#1F3C05 #053A3C #22053C #3C0605

split-complementary

#1F3C05 #06053C #3C053A

monochromatic

#0F1C02 #0F1C02 #1F3C05 #3C740A #59AD0E

Accessibility & contrast

On white

12.30

#1F3C05 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.71

#1F3C05 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1F3C05

12.30:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1F3C05	#FFFFFF	#000000	##FFFFFF
##1F3C05	1.00	12.30	1.71	12.30
#FFFFFF	12.30	1.00	21.00	1.00
#000000	1.71	21.00	1.00	21.00
##FFFFFF	12.30	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3F3600

Deuteranopia (green-blind)

#3B340B

Tritanopia (blue-blind)

#1F3932

Achromatopsia (no color)

#353535

Design tokens & code

CSS

--color: #1f3c05;
/* rgb */ color: rgb(31, 60, 5);
/* oklch */ color: oklch(32.1% 0.087 134.1);

Tailwind

colors: {
  custom: {
    50: '#5e724a',
    500: '#1f3c05',
    950: '#000000',
  },
}

SCSS

$custom: #1f3c05;
$custom-light: #5e724a;
$custom-dark: #000000;

JSON

{
  "hex": "#1f3c05",
  "rgb": {
    "r": 31,
    "g": 60,
    "b": 5
  },
  "hsl": {
    "h": 91.636,
    "s": 84.615,
    "l": 12.745
  },
  "oklch": {
    "l": 0.32102,
    "c": 0.08658,
    "h": 134.1
  },
  "luminance": 0.03534
}

Semantic roles & 50–950 ramp

primary

#1F3C05

secondary

#51207D

accent

#2DFB9A

background

#F5F6F4

surface

#E9ECE7

border

#C5C7C3

text

#050801

muted

#797B77

Preview Lab

Preview with #1F3C05

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

Preview Lab → · Contrast checker → · Palette generator →