#278B4A#278B4A

#278B4A is a mid, vivid green. Relative luminance 0.194; OKLCH L 56.4% C 0.134 H 150.8°. Best body text is #000000 at 4.88:1 contrast (WCAG AA passes).

Color values

HEX#278B4A
RGBrgb(39, 139, 74)
HSLhsl(141, 56%, 35%)
HSVhsv(141, 72%, 55%)
CMYKcmyk(71.9%, 0%, 46.8%, 45.5%)
CIE-LABlab(51.14, -43.51, 26.67)
CIE-LCHlch(51.14, 51.03, 148.49°)
OKLaboklab(56.41% -0.1172 0.0654)
OKLCHoklch(56.41% 0.134 150.8)
XYZxyz(11.3044, 19.3897, 9.6241)
Luminance0.1939 (WCAG relative)
Temperatureneutral
Familygreen

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#278B4A #8B2768
analogous
#368B27 #278B4A #278B7C
triadic
#278B4A #4A278B #8B4A27
tetradic
#278B4A #27368B #8B2768 #8B7C27
square
#278B4A #27368B #8B2768 #8B7C27
split-complementary
#278B4A #7C278B #8B2736
monochromatic
#0C2B17 #1A5B31 #278B4A #34BB63 #5BD185

Accessibility & contrast

On white

4.30
#278B4A on #FFFFFF
AA ✗AA large ✓AAA ✗

On black

4.88
#278B4A on #000000
AA ✓AA large ✓AAA ✗

Best text color

#000000 on #278B4A
4.88:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##278B4A#FFFFFF#000000##000000
##278B4A1.004.304.884.88
#FFFFFF4.301.0021.0021.00
#0000004.8821.001.001.00
##0000004.8821.001.001.00

Color blindness preview

Protanopia (red-blind)
#8C7F45
Deuteranopia (green-blind)
#80764F
Tritanopia (blue-blind)
#00897B
Achromatopsia (no color)
#7A7A7A

Design tokens & code

CSS
--color: #278b4a;
/* rgb */ color: rgb(39, 139, 74);
/* oklch */ color: oklch(56.4% 0.134 150.8);
Tailwind
colors: {
  custom: {
    50: '#6fae7d',
    500: '#278b4a',
    950: '#000000',
  },
}
SCSS
$custom: #278b4a;
$custom-light: #6fae7d;
$custom-dark: #000000;
JSON
{
  "hex": "#278b4a",
  "rgb": {
    "r": 39,
    "g": 139,
    "b": 74
  },
  "hsl": {
    "h": 141,
    "s": 56.18,
    "l": 34.902
  },
  "oklch": {
    "l": 0.56406,
    "c": 0.13421,
    "h": 150.8
  },
  "luminance": 0.19391
}

Semantic roles & 50–950 ramp

primary
#278B4A
secondary
#B65895
accent
#48ABDF
background
#F7FAF7
surface
#EDF4EE
border
#C8CEC9
text
#08100A
muted
#7B7F7C

Preview Lab

Preview with #278B4A

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

Preview Lab → · Contrast checker → · Palette generator →

#278B4A Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva