#288B41#288B41

#288B41 is a mid, vivid green. Relative luminance 0.193; OKLCH L 56.3% C 0.142 H 148.0°. Best body text is #000000 at 4.86:1 contrast (WCAG AA passes).

Color values

HEX	#288B41
RGB	rgb(40, 139, 65)
HSL	hsl(135, 55%, 35%)
HSV	hsv(135, 71%, 55%)
CMYK	cmyk(71.2%, 0%, 53.2%, 45.5%)
CIE-LAB	lab(51.03, -44.82, 31.31)
CIE-LCH	lch(51.03, 54.68, 145.06°)
OKLab	oklab(56.28% -0.1208 0.0755)
OKLCH	oklch(56.28% 0.142 148)
XYZ	xyz(11.0610, 19.2968, 8.1417)
Luminance	0.1930 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#288B41 #8B2872

analogous

#408B28 #288B41 #288B73

triadic

#288B41 #41288B #8B4128

tetradic

#288B41 #28408B #8B2872 #8B7328

square

#288B41 #28408B #8B2872 #8B7328

split-complementary

#288B41 #73288B #8B2840

monochromatic

#0D2C15 #1A5B2B #288B41 #36BB57 #5DD07A

Accessibility & contrast

On white

4.32

#288B41 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.86

#288B41 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #288B41

4.86:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##288B41	#FFFFFF	#000000	##000000
##288B41	1.00	4.32	4.86	4.86
#FFFFFF	4.32	1.00	21.00	21.00
#000000	4.86	21.00	1.00	1.00
##000000	4.86	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#8C7F3B

Deuteranopia (green-blind)

#817646

Tritanopia (blue-blind)

#00887A

Achromatopsia (no color)

#7A7A7A

Design tokens & code

CSS

--color: #288b41;
/* rgb */ color: rgb(40, 139, 65);
/* oklch */ color: oklch(56.3% 0.142 148.0);

Tailwind

colors: {
  custom: {
    50: '#70ae77',
    500: '#288b41',
    950: '#000000',
  },
}

SCSS

$custom: #288b41;
$custom-light: #70ae77;
$custom-dark: #000000;

JSON

{
  "hex": "#288b41",
  "rgb": {
    "r": 40,
    "g": 139,
    "b": 65
  },
  "hsl": {
    "h": 135.152,
    "s": 55.307,
    "l": 35.098
  },
  "oklch": {
    "l": 0.56282,
    "c": 0.14243,
    "h": 148
  },
  "luminance": 0.19298
}

Semantic roles & 50–950 ramp

primary

#288B41

secondary

#B6599E

accent

#49B9DF

background

#F7FAF7

surface

#EDF4ED

border

#C8CEC8

text

#081009

muted

#7B7F7B

Preview Lab

Preview with #288B41

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

Preview Lab → · Contrast checker → · Palette generator →