#255B18#255B18

#255B18 is a dark, moderate green. Relative luminance 0.079; OKLCH L 41.9% C 0.114 H 140.1°. Best body text is #FFFFFF at 8.11:1 contrast (WCAG AA passes).

Color values

HEX	#255B18
RGB	rgb(37, 91, 24)
HSL	hsl(108, 58%, 23%)
HSV	hsv(108, 74%, 36%)
CMYK	cmyk(59.3%, 0%, 73.6%, 64.3%)
CIE-LAB	lab(33.86, -31.80, 31.90)
CIE-LCH	lch(33.86, 45.04, 134.91°)
OKLab	oklab(41.93% -0.0872 0.073)
OKLCH	oklch(41.93% 0.114 140.1)
XYZ	xyz(4.6687, 7.9410, 2.1507)
Luminance	0.0794 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#255B18 #4E185B

analogous

#475B18 #255B18 #185B2C

triadic

#255B18 #18255B #5B1825

tetradic

#255B18 #18475B #4E185B #5B2C18

square

#255B18 #18475B #4E185B #5B2C18

split-complementary

#255B18 #2C185B #5B1847

monochromatic

#0A1806 #112B0B #255B18 #398B25 #4CBC32

Accessibility & contrast

On white

8.11

#255B18 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.59

#255B18 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #255B18

8.11:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##255B18	#FFFFFF	#000000	##FFFFFF
##255B18	1.00	8.11	2.59	8.11
#FFFFFF	8.11	1.00	21.00	1.00
#000000	2.59	21.00	1.00	21.00
##FFFFFF	8.11	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5E520E

Deuteranopia (green-blind)

#574E1E

Tritanopia (blue-blind)

#1F584D

Achromatopsia (no color)

#505050

Design tokens & code

CSS

--color: #255b18;
/* rgb */ color: rgb(37, 91, 24);
/* oklch */ color: oklch(41.9% 0.114 140.1);

Tailwind

colors: {
  custom: {
    50: '#668a59',
    500: '#255b18',
    950: '#000000',
  },
}

SCSS

$custom: #255b18;
$custom-light: #668a59;
$custom-dark: #000000;

JSON

{
  "hex": "#255b18",
  "rgb": {
    "r": 37,
    "g": 91,
    "b": 24
  },
  "hsl": {
    "h": 108.358,
    "s": 58.261,
    "l": 22.549
  },
  "oklch": {
    "l": 0.41925,
    "c": 0.11373,
    "h": 140.1
  },
  "luminance": 0.07941
}

Semantic roles & 50–950 ramp

primary

#255B18

secondary

#813D92

accent

#46E1C3

background

#F6F8F5

surface

#EBF0E9

border

#C6CBC5

text

#060C04

muted

#7A7D79

Preview Lab

Preview with #255B18

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

Preview Lab → · Contrast checker → · Palette generator →