#255B3A#255B3A

#255B3A is a dark, moderate green. Relative luminance 0.082; OKLCH L 42.5% C 0.080 H 154.2°. Best body text is #FFFFFF at 7.97:1 contrast (WCAG AA passes).

Color values

HEX	#255B3A
RGB	rgb(37, 91, 58)
HSL	hsl(143, 42%, 25%)
HSV	hsv(143, 59%, 36%)
CMYK	cmyk(59.3%, 0%, 36.3%, 64.3%)
CIE-LAB	lab(34.36, -26.42, 13.78)
CIE-LCH	lch(34.36, 29.80, 152.46°)
OKLab	oklab(42.49% -0.0719 0.0347)
OKLCH	oklch(42.49% 0.08 154.2)
XYZ	xyz(5.2673, 8.1805, 5.3036)
Luminance	0.0818 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#255B3A #5B2546

analogous

#2B5B25 #255B3A #255B55

triadic

#255B3A #3A255B #5B3A25

tetradic

#255B3A #252B5B #5B2546 #5B5525

square

#255B3A #252B5B #5B2546 #5B5525

split-complementary

#255B3A #55255B #5B252B

monochromatic

#09160E #132F1E #255B3A #378756 #48B271

Accessibility & contrast

On white

7.97

#255B3A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.64

#255B3A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #255B3A

7.97:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##255B3A	#FFFFFF	#000000	##FFFFFF
##255B3A	1.00	7.97	2.64	7.97
#FFFFFF	7.97	1.00	21.00	1.00
#000000	2.64	21.00	1.00	21.00
##FFFFFF	7.97	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5B5438

Deuteranopia (green-blind)

#534F3C

Tritanopia (blue-blind)

#155A52

Achromatopsia (no color)

#515151

Design tokens & code

CSS

--color: #255b3a;
/* rgb */ color: rgb(37, 91, 58);
/* oklch */ color: oklch(42.5% 0.080 154.2);

Tailwind

colors: {
  custom: {
    50: '#658a70',
    500: '#255b3a',
    950: '#000000',
  },
}

SCSS

$custom: #255b3a;
$custom-light: #658a70;
$custom-dark: #000000;

JSON

{
  "hex": "#255b3a",
  "rgb": {
    "r": 37,
    "g": 91,
    "b": 58
  },
  "hsl": {
    "h": 143.333,
    "s": 42.188,
    "l": 25.098
  },
  "oklch": {
    "l": 0.42494,
    "c": 0.0798,
    "h": 154.2
  },
  "luminance": 0.08181
}

Semantic roles & 50–950 ramp

primary

#255B3A

secondary

#8E4D75

accent

#56A2D2

background

#F6F8F6

surface

#EBF0EC

border

#C6CBC7

text

#060C07

muted

#7A7D7A

Preview Lab

Preview with #255B3A

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

Preview Lab → · Contrast checker → · Palette generator →