#255B1B#255B1B

#255B1B is a dark, moderate green. Relative luminance 0.080; OKLCH L 42.0% C 0.111 H 140.7°. Best body text is #FFFFFF at 8.10:1 contrast (WCAG AA passes).

Color values

HEX	#255B1B
RGB	rgb(37, 91, 27)
HSL	hsl(111, 54%, 23%)
HSV	hsv(111, 70%, 36%)
CMYK	cmyk(59.3%, 0%, 70.3%, 64.3%)
CIE-LAB	lab(33.89, -31.49, 30.53)
CIE-LCH	lch(33.89, 43.86, 135.88°)
OKLab	oklab(41.96% -0.0862 0.0705)
OKLCH	oklch(41.96% 0.111 140.7)
XYZ	xyz(4.7017, 7.9542, 2.3243)
Luminance	0.0795 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#255B1B #511B5B

analogous

#455B1B #255B1B #1B5B31

triadic

#255B1B #1B255B #5B1B25

tetradic

#255B1B #1B455B #511B5B #5B311B

square

#255B1B #1B455B #511B5B #5B311B

split-complementary

#255B1B #311B5B #5B1B45

monochromatic

#0A1807 #122C0D #255B1B #388A29 #4BB937

Accessibility & contrast

On white

8.10

#255B1B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.59

#255B1B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #255B1B

8.10:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##255B1B	#FFFFFF	#000000	##FFFFFF
##255B1B	1.00	8.10	2.59	8.10
#FFFFFF	8.10	1.00	21.00	1.00
#000000	2.59	21.00	1.00	21.00
##FFFFFF	8.10	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5D5313

Deuteranopia (green-blind)

#574E21

Tritanopia (blue-blind)

#1E584E

Achromatopsia (no color)

#505050

Design tokens & code

CSS

--color: #255b1b;
/* rgb */ color: rgb(37, 91, 27);
/* oklch */ color: oklch(42.0% 0.111 140.7);

Tailwind

colors: {
  custom: {
    50: '#668a5b',
    500: '#255b1b',
    950: '#000000',
  },
}

SCSS

$custom: #255b1b;
$custom-light: #668a5b;
$custom-dark: #000000;

JSON

{
  "hex": "#255b1b",
  "rgb": {
    "r": 37,
    "g": 91,
    "b": 27
  },
  "hsl": {
    "h": 110.625,
    "s": 54.237,
    "l": 23.137
  },
  "oklch": {
    "l": 0.41956,
    "c": 0.11134,
    "h": 140.7
  },
  "luminance": 0.07955
}

Semantic roles & 50–950 ramp

primary

#255B1B

secondary

#844191

accent

#4ADEC7

background

#F6F8F5

surface

#EBF0E9

border

#C6CBC5

text

#060C04

muted

#7A7D79

Preview Lab

Preview with #255B1B

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

Preview Lab → · Contrast checker → · Palette generator →