#1F3905#1F3905

#1F3905 is a dark, moderate yellow-green. Relative luminance 0.032; OKLCH L 31.2% C 0.082 H 133.1°. Best body text is #FFFFFF at 12.76:1 contrast (WCAG AA passes).

Color values

HEX	#1F3905
RGB	rgb(31, 57, 5)
HSL	hsl(90, 84%, 12%)
HSV	hsv(90, 91%, 22%)
CMYK	cmyk(45.6%, 0%, 91.2%, 77.6%)
CIE-LAB	lab(20.94, -19.90, 26.68)
CIE-LCH	lch(20.94, 33.29, 126.72°)
OKLab	oklab(31.18% -0.0562 0.0601)
OKLCH	oklch(31.18% 0.082 133.1)
XYZ	xyz(2.0556, 3.2284, 0.6584)
Luminance	0.0323 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Dark Green

#033500

ΔE00 4.65

Hunter Green (survey)

Forest Green (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1F3905 #1F0539

analogous

#393905 #1F3905 #053905

triadic

#1F3905 #051F39 #39051F

tetradic

#1F3905 #053939 #1F0539 #390505

square

#1F3905 #053939 #1F0539 #390505

split-complementary

#1F3905 #050539 #390539

monochromatic

#0F1C02 #0F1C02 #1F3905 #3E710A #5CAA0F

Accessibility & contrast

On white

12.76

#1F3905 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.65

#1F3905 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1F3905

12.76:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1F3905	#FFFFFF	#000000	##FFFFFF
##1F3905	1.00	12.76	1.65	12.76
#FFFFFF	12.76	1.00	21.00	1.00
#000000	1.65	21.00	1.00	21.00
##FFFFFF	12.76	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3C3400

Deuteranopia (green-blind)

#38320A

Tritanopia (blue-blind)

#1F362F

Achromatopsia (no color)

#323232

Design tokens & code

CSS

--color: #1f3905;
/* rgb */ color: rgb(31, 57, 5);
/* oklch */ color: oklch(31.2% 0.082 133.1);

Tailwind

colors: {
  custom: {
    50: '#5e6f4a',
    500: '#1f3905',
    950: '#000000',
  },
}

SCSS

$custom: #1f3905;
$custom-light: #5e6f4a;
$custom-dark: #000000;

JSON

{
  "hex": "#1f3905",
  "rgb": {
    "r": 31,
    "g": 57,
    "b": 5
  },
  "hsl": {
    "h": 90,
    "s": 83.871,
    "l": 12.157
  },
  "oklch": {
    "l": 0.31176,
    "c": 0.08223,
    "h": 133.1
  },
  "luminance": 0.03229
}

Semantic roles & 50–950 ramp

primary

#1F3905

secondary

#4D207A

accent

#2EFA94

background

#F5F6F4

surface

#E9ECE7

border

#C5C7C3

text

#040701

muted

#797A77

Preview Lab

Preview with #1F3905

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

Preview Lab → · Contrast checker → · Palette generator →