#278B3A#278B3A

#278B3A is a mid, vivid green. Relative luminance 0.192; OKLCH L 56.2% C 0.149 H 146.4°. Best body text is #000000 at 4.84:1 contrast (WCAG AA passes).

Color values

HEX#278B3A
RGBrgb(39, 139, 58)
HSLhsl(131, 56%, 35%)
HSVhsv(131, 72%, 55%)
CMYKcmyk(71.9%, 0%, 58.3%, 45.5%)
CIE-LABlab(50.92, -46.04, 34.74)
CIE-LCHlch(50.92, 57.67, 142.96°)
OKLaboklab(56.16% -0.1242 0.0826)
OKLCHoklch(56.16% 0.149 146.4)
XYZxyz(10.8323, 19.2009, 7.1374)
Luminance0.1920 (WCAG relative)
Temperatureneutral
Familygreen

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#278B3A #8B2778
analogous
#468B27 #278B3A #278B6C
triadic
#278B3A #3A278B #8B3A27
tetradic
#278B3A #27468B #8B2778 #8B6C27
square
#278B3A #27468B #8B2778 #8B6C27
split-complementary
#278B3A #6C278B #8B2746
monochromatic
#0C2B12 #1A5B26 #278B3A #34BB4E #5BD172

Accessibility & contrast

On white

4.34
#278B3A on #FFFFFF
AA ✗AA large ✓AAA ✗

On black

4.84
#278B3A on #000000
AA ✓AA large ✓AAA ✗

Best text color

#000000 on #278B3A
4.84:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##278B3A#FFFFFF#000000##000000
##278B3A1.004.344.844.84
#FFFFFF4.341.0021.0021.00
#0000004.8421.001.001.00
##0000004.8421.001.001.00

Color blindness preview

Protanopia (red-blind)
#8D7E32
Deuteranopia (green-blind)
#817640
Tritanopia (blue-blind)
#008879
Achromatopsia (no color)
#797979

Design tokens & code

CSS
--color: #278b3a;
/* rgb */ color: rgb(39, 139, 58);
/* oklch */ color: oklch(56.2% 0.149 146.4);
Tailwind
colors: {
  custom: {
    50: '#70ae73',
    500: '#278b3a',
    950: '#000000',
  },
}
SCSS
$custom: #278b3a;
$custom-light: #70ae73;
$custom-dark: #000000;
JSON
{
  "hex": "#278b3a",
  "rgb": {
    "r": 39,
    "g": 139,
    "b": 58
  },
  "hsl": {
    "h": 131.4,
    "s": 56.18,
    "l": 34.902
  },
  "oklch": {
    "l": 0.56155,
    "c": 0.14913,
    "h": 146.4
  },
  "luminance": 0.19202
}

Semantic roles & 50–950 ramp

primary
#278B3A
secondary
#B658A4
accent
#48C3DF
background
#F7FAF7
surface
#EDF4ED
border
#C8CEC8
text
#081008
muted
#7B7F7B

Preview Lab

Preview with #278B3A

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

Preview Lab → · Contrast checker → · Palette generator →

#278B3A Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva