#1B2300#1B2300

#1B2300 is a very dark, muted yellow-green. Relative luminance 0.014; OKLCH L 24.0% C 0.058 H 121.5°. Best body text is #FFFFFF at 16.32:1 contrast (WCAG AA passes).

Color values

HEX	#1B2300
RGB	rgb(27, 35, 0)
HSL	hsl(74, 100%, 7%)
HSV	hsv(74, 100%, 14%)
CMYK	cmyk(22.9%, 0%, 100%, 86.3%)
CIE-LAB	lab(12.19, -10.04, 17.85)
CIE-LCH	lch(12.19, 20.48, 119.36°)
OKLab	oklab(23.96% -0.0301 0.0493)
OKLCH	oklch(23.96% 0.058 121.5)
XYZ	xyz(1.0530, 1.4351, 0.2215)
Luminance	0.0143 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Hunter Green (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1B2300 #080023

analogous

#231A00 #1B2300 #0A2300

triadic

#1B2300 #001B23 #23001B

tetradic

#1B2300 #00231A #080023 #23000A

square

#1B2300 #00231A #080023 #23000A

split-complementary

#1B2300 #000A23 #1A0023

monochromatic

#181F00 #181F00 #1B2300 #4A6000 #799D00

Accessibility & contrast

On white

16.32

#1B2300 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.29

#1B2300 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1B2300

16.32:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1B2300	#FFFFFF	#000000	##FFFFFF
##1B2300	1.00	16.32	1.29	16.32
#FFFFFF	16.32	1.00	21.00	1.00
#000000	1.29	21.00	1.00	21.00
##FFFFFF	16.32	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#262000

Deuteranopia (green-blind)

#252002

Tritanopia (blue-blind)

#1D201C

Achromatopsia (no color)

#202020

Design tokens & code

CSS

--color: #1b2300;
/* rgb */ color: rgb(27, 35, 0);
/* oklch */ color: oklch(24.0% 0.058 121.5);

Tailwind

colors: {
  custom: {
    50: '#575d46',
    500: '#1b2300',
    950: '#000000',
  },
}

SCSS

$custom: #1b2300;
$custom-light: #575d46;
$custom-dark: #000000;

JSON

{
  "hex": "#1b2300",
  "rgb": {
    "r": 27,
    "g": 35,
    "b": 0
  },
  "hsl": {
    "h": 73.714,
    "s": 100,
    "l": 6.863
  },
  "oklch": {
    "l": 0.23961,
    "c": 0.05777,
    "h": 121.5
  },
  "luminance": 0.01435
}

Semantic roles & 50–950 ramp

primary

#1B2300

secondary

#27136C

accent

#29FF5A

background

#F5F5F3

surface

#E9E9E5

border

#C5C5C1

text

#030400

muted

#787977

Preview Lab

Preview with #1B2300

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

Preview Lab → · Contrast checker → · Palette generator →