#288F56#288F56

#288F56 is a mid, vivid green. Relative luminance 0.208; OKLCH L 57.8% C 0.128 H 154.4°. Best body text is #000000 at 5.15:1 contrast (WCAG AA passes).

Color values

HEX	#288F56
RGB	rgb(40, 143, 86)
HSL	hsl(147, 56%, 36%)
HSV	hsv(147, 72%, 56%)
CMYK	cmyk(72%, 0%, 39.9%, 43.9%)
CIE-LAB	lab(52.69, -42.66, 22.13)
CIE-LCH	lch(52.69, 48.06, 152.59°)
OKLab	oklab(57.76% -0.1152 0.0552)
OKLCH	oklch(57.76% 0.128 154.4)
XYZ	xyz(12.3761, 20.7665, 12.1584)
Luminance	0.2077 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#288F56 #8F2861

analogous

#2D8F28 #288F56 #288F89

triadic

#288F56 #56288F #8F5628

tetradic

#288F56 #282D8F #8F2861 #8F8928

square

#288F56 #282D8F #8F2861 #8F8928

split-complementary

#288F56 #89288F #8F282D

monochromatic

#0D2F1C #1B5F39 #288F56 #35BF73 #5FD293

Accessibility & contrast

On white

4.07

#288F56 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.15

#288F56 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #288F56

5.15:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##288F56	#FFFFFF	#000000	##000000
##288F56	1.00	4.07	5.15	5.15
#FFFFFF	4.07	1.00	21.00	21.00
#000000	5.15	21.00	1.00	1.00
##000000	5.15	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#8F8352

Deuteranopia (green-blind)

#827A5A

Tritanopia (blue-blind)

#008D81

Achromatopsia (no color)

#7E7E7E

Design tokens & code

CSS

--color: #288f56;
/* rgb */ color: rgb(40, 143, 86);
/* oklch */ color: oklch(57.8% 0.128 154.4);

Tailwind

colors: {
  custom: {
    50: '#71b186',
    500: '#288f56',
    950: '#000000',
  },
}

SCSS

$custom: #288f56;
$custom-light: #71b186;
$custom-dark: #000000;

JSON

{
  "hex": "#288f56",
  "rgb": {
    "r": 40,
    "g": 143,
    "b": 86
  },
  "hsl": {
    "h": 146.796,
    "s": 56.284,
    "l": 35.882
  },
  "oklch": {
    "l": 0.57759,
    "c": 0.12773,
    "h": 154.4
  },
  "luminance": 0.20768
}

Semantic roles & 50–950 ramp

primary

#288F56

secondary

#B85B8E

accent

#489CE0

background

#F7FBF8

surface

#EDF6EF

border

#C8D0CA

text

#09110B

muted

#7B807C

Preview Lab

Preview with #288F56

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

Preview Lab → · Contrast checker → · Palette generator →