#278B2A#278B2A

#278B2A is a mid, vivid green. Relative luminance 0.191; OKLCH L 56.0% C 0.162 H 143.4°. Best body text is #000000 at 4.81:1 contrast (WCAG AA passes).

Color values

HEX#278B2A
RGBrgb(39, 139, 42)
HSLhsl(122, 56%, 35%)
HSVhsv(122, 72%, 55%)
CMYKcmyk(71.9%, 0%, 69.8%, 45.5%)
CIE-LABlab(50.76, -47.95, 42.00)
CIE-LCHlch(50.76, 63.74, 138.78°)
OKLaboklab(55.97% -0.13 0.0965)
OKLCHoklch(55.97% 0.162 143.4)
XYZxyz(10.4866, 19.0626, 5.3168)
Luminance0.1906 (WCAG relative)
Temperatureneutral
Familygreen

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#278B2A #8B2788
analogous
#568B27 #278B2A #278B5C
triadic
#278B2A #2A278B #8B2A27
tetradic
#278B2A #27568B #8B2788 #8B5C27
square
#278B2A #27568B #8B2788 #8B5C27
split-complementary
#278B2A #5C278B #8B2756
monochromatic
#0C2B0D #1A5B1C #278B2A #34BB38 #5BD15F

Accessibility & contrast

On white

4.36
#278B2A on #FFFFFF
AA ✗AA large ✓AAA ✗

On black

4.81
#278B2A on #000000
AA ✓AA large ✓AAA ✗

Best text color

#000000 on #278B2A
4.81:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##278B2A#FFFFFF#000000##000000
##278B2A1.004.364.814.81
#FFFFFF4.361.0021.0021.00
#0000004.8121.001.001.00
##0000004.8121.001.001.00

Color blindness preview

Protanopia (red-blind)
#8E7E1C
Deuteranopia (green-blind)
#827633
Tritanopia (blue-blind)
#058777
Achromatopsia (no color)
#797979

Design tokens & code

CSS
--color: #278b2a;
/* rgb */ color: rgb(39, 139, 42);
/* oklch */ color: oklch(56.0% 0.162 143.4);
Tailwind
colors: {
  custom: {
    50: '#71ae69',
    500: '#278b2a',
    950: '#000000',
  },
}
SCSS
$custom: #278b2a;
$custom-light: #71ae69;
$custom-dark: #000000;
JSON
{
  "hex": "#278b2a",
  "rgb": {
    "r": 39,
    "g": 139,
    "b": 42
  },
  "hsl": {
    "h": 121.8,
    "s": 56.18,
    "l": 34.902
  },
  "oklch": {
    "l": 0.55969,
    "c": 0.16194,
    "h": 143.4
  },
  "luminance": 0.19064
}

Semantic roles & 50–950 ramp

primary
#278B2A
secondary
#B658B3
accent
#48DBDF
background
#F7FAF6
surface
#EDF4EB
border
#C8CEC6
text
#091006
muted
#7B7F7A

Preview Lab

Preview with #278B2A

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

Preview Lab → · Contrast checker → · Palette generator →

#278B2A Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva