#1B2500#1B2500

#1B2500 is a very dark, moderate yellow-green. Relative luminance 0.016; OKLCH L 24.6% C 0.061 H 123.5°. Best body text is #FFFFFF at 16.02:1 contrast (WCAG AA passes).

Color values

HEX	#1B2500
RGB	rgb(27, 37, 0)
HSL	hsl(76, 100%, 7%)
HSV	hsv(76, 100%, 15%)
CMYK	cmyk(27%, 0%, 100%, 85.5%)
CIE-LAB	lab(12.96, -11.27, 18.89)
CIE-LCH	lch(12.96, 21.99, 120.82°)
OKLab	oklab(24.59% -0.0335 0.0506)
OKLCH	oklch(24.59% 0.061 123.5)
XYZ	xyz(1.1136, 1.5561, 0.2417)
Luminance	0.0156 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Hunter Green (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1B2500 #0A0025

analogous

#251D00 #1B2500 #092500

triadic

#1B2500 #001B25 #25001B

tetradic

#1B2500 #00251D #0A0025 #250009

square

#1B2500 #00251D #0A0025 #250009

split-complementary

#1B2500 #000925 #1D0025

monochromatic

#161F00 #161F00 #1B2500 #486200 #749F00

Accessibility & contrast

On white

16.02

#1B2500 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.31

#1B2500 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1B2500

16.02:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1B2500	#FFFFFF	#000000	##FFFFFF
##1B2500	1.00	16.02	1.31	16.02
#FFFFFF	16.02	1.00	21.00	1.00
#000000	1.31	21.00	1.00	21.00
##FFFFFF	16.02	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#282200

Deuteranopia (green-blind)

#272102

Tritanopia (blue-blind)

#1D221E

Achromatopsia (no color)

#212121

Design tokens & code

CSS

--color: #1b2500;
/* rgb */ color: rgb(27, 37, 0);
/* oklch */ color: oklch(24.6% 0.061 123.5);

Tailwind

colors: {
  custom: {
    50: '#575f46',
    500: '#1b2500',
    950: '#000000',
  },
}

SCSS

$custom: #1b2500;
$custom-light: #575f46;
$custom-dark: #000000;

JSON

{
  "hex": "#1b2500",
  "rgb": {
    "r": 27,
    "g": 37,
    "b": 0
  },
  "hsl": {
    "h": 76.216,
    "s": 100,
    "l": 7.255
  },
  "oklch": {
    "l": 0.24586,
    "c": 0.06065,
    "h": 123.5
  },
  "luminance": 0.01556
}

Semantic roles & 50–950 ramp

primary

#1B2500

secondary

#2C136D

accent

#29FF63

background

#F5F5F3

surface

#E9E9E5

border

#C5C5C1

text

#030400

muted

#787977

Preview Lab

Preview with #1B2500

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

Preview Lab → · Contrast checker → · Palette generator →