#1B2F04#1B2F04

#1B2F04 is a dark, moderate yellow-green. Relative luminance 0.023; OKLCH L 27.8% C 0.071 H 131.5°. Best body text is #FFFFFF at 14.43:1 contrast (WCAG AA passes).

Color values

HEX	#1B2F04
RGB	rgb(27, 47, 4)
HSL	hsl(88, 84%, 10%)
HSV	hsv(88, 91%, 18%)
CMYK	cmyk(42.6%, 0%, 91.5%, 81.6%)
CIE-LAB	lab(16.87, -16.52, 22.28)
CIE-LCH	lch(16.87, 27.74, 126.56°)
OKLab	oklab(27.78% -0.0469 0.053)
OKLCH	oklch(27.78% 0.071 131.5)
XYZ	xyz(1.4904, 2.2747, 0.4754)
Luminance	0.0227 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Hunter Green (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1B2F04 #18042F

analogous

#2F2E04 #1B2F04 #052F04

triadic

#1B2F04 #041B2F #2F041B

tetradic

#1B2F04 #042F2E #18042F #2F0405

square

#1B2F04 #042F2E #18042F #2F0405

split-complementary

#1B2F04 #04052F #2E042F

monochromatic

#101C02 #101C02 #1B2F04 #3B6709 #5CA00E

Accessibility & contrast

On white

14.43

#1B2F04 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.46

#1B2F04 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1B2F04

14.43:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1B2F04	#FFFFFF	#000000	##FFFFFF
##1B2F04	1.00	14.43	1.46	14.43
#FFFFFF	14.43	1.00	21.00	1.00
#000000	1.46	21.00	1.00	21.00
##FFFFFF	14.43	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#322B00

Deuteranopia (green-blind)

#2F2907

Tritanopia (blue-blind)

#1C2D27

Achromatopsia (no color)

#2A2A2A

Design tokens & code

CSS

--color: #1b2f04;
/* rgb */ color: rgb(27, 47, 4);
/* oklch */ color: oklch(27.8% 0.071 131.5);

Tailwind

colors: {
  custom: {
    50: '#596749',
    500: '#1b2f04',
    950: '#000000',
  },
}

SCSS

$custom: #1b2f04;
$custom-light: #596749;
$custom-dark: #000000;

JSON

{
  "hex": "#1b2f04",
  "rgb": {
    "r": 27,
    "g": 47,
    "b": 4
  },
  "hsl": {
    "h": 87.907,
    "s": 84.314,
    "l": 10
  },
  "oklch": {
    "l": 0.2778,
    "c": 0.07074,
    "h": 131.5
  },
  "luminance": 0.02275
}

Semantic roles & 50–950 ramp

primary

#1B2F04

secondary

#441D72

accent

#2DFB8D

background

#F5F6F4

surface

#E9EBE6

border

#C5C6C2

text

#040601

muted

#797A77

Preview Lab

Preview with #1B2F04

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

Preview Lab → · Contrast checker → · Palette generator →