#1F3605#1F3605

#1F3605 is a dark, moderate yellow-green. Relative luminance 0.029; OKLCH L 30.3% C 0.078 H 131.9°. Best body text is #FFFFFF at 13.22:1 contrast (WCAG AA passes).

Color values

HEX	#1F3605
RGB	rgb(31, 54, 5)
HSL	hsl(88, 83%, 12%)
HSV	hsv(88, 91%, 21%)
CMYK	cmyk(42.6%, 0%, 90.7%, 78.8%)
CIE-LAB	lab(19.80, -18.35, 25.41)
CIE-LCH	lch(19.80, 31.35, 125.84°)
OKLab	oklab(30.25% -0.052 0.0579)
OKLCH	oklch(30.25% 0.078 131.9)
XYZ	xyz(1.9116, 2.9405, 0.6104)
Luminance	0.0294 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Hunter Green (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1F3605 #1C0536

analogous

#363505 #1F3605 #073605

triadic

#1F3605 #051F36 #36051F

tetradic

#1F3605 #053635 #1C0536 #360507

square

#1F3605 #053635 #1C0536 #360507

split-complementary

#1F3605 #050736 #350536

monochromatic

#101C03 #101C03 #1F3605 #3F6E0A #5FA60F

Accessibility & contrast

On white

13.22

#1F3605 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.59

#1F3605 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1F3605

13.22:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1F3605	#FFFFFF	#000000	##FFFFFF
##1F3605	1.00	13.22	1.59	13.22
#FFFFFF	13.22	1.00	21.00	1.00
#000000	1.59	21.00	1.00	21.00
##FFFFFF	13.22	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#393100

Deuteranopia (green-blind)

#362F0A

Tritanopia (blue-blind)

#20332D

Achromatopsia (no color)

#303030

Design tokens & code

CSS

--color: #1f3605;
/* rgb */ color: rgb(31, 54, 5);
/* oklch */ color: oklch(30.3% 0.078 131.9);

Tailwind

colors: {
  custom: {
    50: '#5d6d4a',
    500: '#1f3605',
    950: '#000000',
  },
}

SCSS

$custom: #1f3605;
$custom-light: #5d6d4a;
$custom-dark: #000000;

JSON

{
  "hex": "#1f3605",
  "rgb": {
    "r": 31,
    "g": 54,
    "b": 5
  },
  "hsl": {
    "h": 88.163,
    "s": 83.051,
    "l": 11.569
  },
  "oklch": {
    "l": 0.3025,
    "c": 0.07778,
    "h": 131.9
  },
  "luminance": 0.02941
}

Semantic roles & 50–950 ramp

primary

#1F3605

secondary

#492077

accent

#2EF98E

background

#F5F6F4

surface

#E9EBE7

border

#C5C6C3

text

#040701

muted

#797A77

Preview Lab

Preview with #1F3605

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

Preview Lab → · Contrast checker → · Palette generator →