#288A37#288A37

#288A37 is a mid, vivid green. Relative luminance 0.189; OKLCH L 55.9% C 0.150 H 145.6°. Best body text is #000000 at 4.78:1 contrast (WCAG AA passes).

Color values

HEX#288A37
RGBrgb(40, 138, 55)
HSLhsl(129, 55%, 35%)
HSVhsv(129, 71%, 54%)
CMYKcmyk(71%, 0%, 60.1%, 45.9%)
CIE-LABlab(50.57, -45.89, 35.82)
CIE-LCHlch(50.57, 58.21, 142.02°)
OKLaboklab(55.86% -0.1239 0.0847)
OKLCHoklch(55.86% 0.15 145.6)
XYZxyz(10.6524, 18.9028, 6.7009)
Luminance0.1890 (WCAG relative)
Temperatureneutral
Familygreen

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#288A37 #8A287B
analogous
#4A8A28 #288A37 #288A68
triadic
#288A37 #37288A #8A3728
tetradic
#288A37 #284A8A #8A287B #8A6828
square
#288A37 #284A8A #8A287B #8A6828
split-complementary
#288A37 #68288A #8A284A
monochromatic
#0C2B11 #1A5B24 #288A37 #36B94A #5DD06E

Accessibility & contrast

On white

4.39
#288A37 on #FFFFFF
AA ✗AA large ✓AAA ✗

On black

4.78
#288A37 on #000000
AA ✓AA large ✓AAA ✗

Best text color

#000000 on #288A37
4.78:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##288A37#FFFFFF#000000##000000
##288A371.004.394.784.78
#FFFFFF4.391.0021.0021.00
#0000004.7821.001.001.00
##0000004.7821.001.001.00

Color blindness preview

Protanopia (red-blind)
#8C7D2F
Deuteranopia (green-blind)
#81753E
Tritanopia (blue-blind)
#018778
Achromatopsia (no color)
#787878

Design tokens & code

CSS
--color: #288a37;
/* rgb */ color: rgb(40, 138, 55);
/* oklch */ color: oklch(55.9% 0.150 145.6);
Tailwind
colors: {
  custom: {
    50: '#70ad71',
    500: '#288a37',
    950: '#000000',
  },
}
SCSS
$custom: #288a37;
$custom-light: #70ad71;
$custom-dark: #000000;
JSON
{
  "hex": "#288a37",
  "rgb": {
    "r": 40,
    "g": 138,
    "b": 55
  },
  "hsl": {
    "h": 129.184,
    "s": 55.056,
    "l": 34.902
  },
  "oklch": {
    "l": 0.55862,
    "c": 0.15008,
    "h": 145.6
  },
  "luminance": 0.18904
}

Semantic roles & 50–950 ramp

primary
#288A37
secondary
#B559A7
accent
#49C8DE
background
#F7FAF6
surface
#EDF4EC
border
#C8CEC7
text
#081008
muted
#7B7F7B

Preview Lab

Preview with #288A37

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

Preview Lab → · Contrast checker → · Palette generator →

#288A37 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva