#278C4D#278C4D

#278C4D is a mid, vivid green. Relative luminance 0.197; OKLCH L 56.7% C 0.133 H 151.7°. Best body text is #000000 at 4.94:1 contrast (WCAG AA passes).

Color values

HEX#278C4D
RGBrgb(39, 140, 77)
HSLhsl(143, 56%, 35%)
HSVhsv(143, 72%, 55%)
CMYKcmyk(72.1%, 0%, 45%, 45.1%)
CIE-LABlab(51.52, -43.36, 25.53)
CIE-LCHlch(51.52, 50.32, 149.51°)
OKLaboklab(56.74% -0.1168 0.0629)
OKLCHoklch(56.74% 0.133 151.7)
XYZxyz(11.5534, 19.7220, 10.2176)
Luminance0.1972 (WCAG relative)
Temperatureneutral
Familygreen

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#278C4D #8C2766
analogous
#348C27 #278C4D #278C7F
triadic
#278C4D #4D278C #8C4D27
tetradic
#278C4D #27348C #8C2766 #8C7F27
square
#278C4D #27348C #8C2766 #8C7F27
split-complementary
#278C4D #7F278C #8C2734
monochromatic
#0C2C18 #1A5C33 #278C4D #34BC67 #5CD288

Accessibility & contrast

On white

4.25
#278C4D on #FFFFFF
AA ✗AA large ✓AAA ✗

On black

4.94
#278C4D on #000000
AA ✓AA large ✓AAA ✗

Best text color

#000000 on #278C4D
4.94:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##278C4D#FFFFFF#000000##000000
##278C4D1.004.254.944.94
#FFFFFF4.251.0021.0021.00
#0000004.9421.001.001.00
##0000004.9421.001.001.00

Color blindness preview

Protanopia (red-blind)
#8C8048
Deuteranopia (green-blind)
#807751
Tritanopia (blue-blind)
#008A7D
Achromatopsia (no color)
#7B7B7B

Design tokens & code

CSS
--color: #278c4d;
/* rgb */ color: rgb(39, 140, 77);
/* oklch */ color: oklch(56.7% 0.133 151.7);
Tailwind
colors: {
  custom: {
    50: '#70ae7f',
    500: '#278c4d',
    950: '#000000',
  },
}
SCSS
$custom: #278c4d;
$custom-light: #70ae7f;
$custom-dark: #000000;
JSON
{
  "hex": "#278c4d",
  "rgb": {
    "r": 39,
    "g": 140,
    "b": 77
  },
  "hsl": {
    "h": 142.574,
    "s": 56.425,
    "l": 35.098
  },
  "oklch": {
    "l": 0.56737,
    "c": 0.13267,
    "h": 151.7
  },
  "luminance": 0.19723
}

Semantic roles & 50–950 ramp

primary
#278C4D
secondary
#B75893
accent
#48A7E0
background
#F7FAF7
surface
#EDF4EE
border
#C8CEC9
text
#08100A
muted
#7B7F7C

Preview Lab

Preview with #278C4D

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

Preview Lab → · Contrast checker → · Palette generator →

#278C4D Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva