#288540#288540

#288540 is a mid, vivid green. Relative luminance 0.176; OKLCH L 54.6% C 0.135 H 148.3°. Best body text is #FFFFFF at 4.65:1 contrast (WCAG AA passes).

Color values

HEX	#288540
RGB	rgb(40, 133, 64)
HSL	hsl(135, 54%, 34%)
HSV	hsv(135, 70%, 52%)
CMYK	cmyk(69.9%, 0%, 51.9%, 47.8%)
CIE-LAB	lab(49.00, -42.67, 29.33)
CIE-LCH	lch(49.00, 51.78, 145.49°)
OKLab	oklab(54.6% -0.115 0.071)
OKLCH	oklch(54.6% 0.135 148.3)
XYZ	xyz(10.1873, 17.5952, 7.7088)
Luminance	0.1760 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#288540 #85286D

analogous

#3F8528 #288540 #28856F

triadic

#288540 #402885 #854028

tetradic

#288540 #283F85 #85286D #856F28

square

#288540 #283F85 #85286D #856F28

split-complementary

#288540 #6F2885 #85283F

monochromatic

#0C2713 #1A5629 #288540 #36B457 #5ACD78

Accessibility & contrast

On white

4.65

#288540 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.52

#288540 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#FFFFFF on #288540

4.65:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##288540	#FFFFFF	#000000	##FFFFFF
##288540	1.00	4.65	4.52	4.65
#FFFFFF	4.65	1.00	21.00	1.00
#000000	4.52	21.00	1.00	21.00
##FFFFFF	4.65	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#86793A

Deuteranopia (green-blind)

#7B7145

Tritanopia (blue-blind)

#008275

Achromatopsia (no color)

#747474

Design tokens & code

CSS

--color: #288540;
/* rgb */ color: rgb(40, 133, 64);
/* oklch */ color: oklch(54.6% 0.135 148.3);

Tailwind

colors: {
  custom: {
    50: '#6fa976',
    500: '#288540',
    950: '#000000',
  },
}

SCSS

$custom: #288540;
$custom-light: #6fa976;
$custom-dark: #000000;

JSON

{
  "hex": "#288540",
  "rgb": {
    "r": 40,
    "g": 133,
    "b": 64
  },
  "hsl": {
    "h": 135.484,
    "s": 53.757,
    "l": 33.922
  },
  "oklch": {
    "l": 0.54599,
    "c": 0.13518,
    "h": 148.3
  },
  "luminance": 0.17596
}

Semantic roles & 50–950 ramp

primary

#288540

secondary

#B3569B

accent

#4BB7DD

background

#F7FAF7

surface

#EDF4ED

border

#C8CEC8

text

#081008

muted

#7B7F7B

Preview Lab

Preview with #288540

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

Preview Lab → · Contrast checker → · Palette generator →