#278C56#278C56

#278C56 is a mid, vivid green. Relative luminance 0.199; OKLCH L 56.9% C 0.124 H 155.2°. Best body text is #000000 at 4.97:1 contrast (WCAG AA passes).

Color values

HEX	#278C56
RGB	rgb(39, 140, 86)
HSL	hsl(148, 56%, 35%)
HSV	hsv(148, 72%, 55%)
CMYK	cmyk(72.1%, 0%, 38.6%, 45.1%)
CIE-LAB	lab(51.68, -41.62, 20.77)
CIE-LCH	lch(51.68, 46.52, 153.48°)
OKLab	oklab(56.92% -0.1125 0.052)
OKLCH	oklch(56.92% 0.124 155.2)
XYZ	xyz(11.8934, 19.8580, 12.0085)
Luminance	0.1986 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#278C56 #8C275D

analogous

#2A8C27 #278C56 #278C89

triadic

#278C56 #56278C #8C5627

tetradic

#278C56 #272A8C #8C275D #8C8927

square

#278C56 #272A8C #8C275D #8C8927

split-complementary

#278C56 #89278C #8C272A

monochromatic

#0C2C1B #1A5C39 #278C56 #34BC73 #5CD293

Accessibility & contrast

On white

4.22

#278C56 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.97

#278C56 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #278C56

4.97:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##278C56	#FFFFFF	#000000	##000000
##278C56	1.00	4.22	4.97	4.97
#FFFFFF	4.22	1.00	21.00	21.00
#000000	4.97	21.00	1.00	1.00
##000000	4.97	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#8B8152

Deuteranopia (green-blind)

#7F785A

Tritanopia (blue-blind)

#008B7E

Achromatopsia (no color)

#7B7B7B

Design tokens & code

CSS

--color: #278c56;
/* rgb */ color: rgb(39, 140, 86);
/* oklch */ color: oklch(56.9% 0.124 155.2);

Tailwind

colors: {
  custom: {
    50: '#6fae86',
    500: '#278c56',
    950: '#000000',
  },
}

SCSS

$custom: #278c56;
$custom-light: #6fae86;
$custom-dark: #000000;

JSON

{
  "hex": "#278c56",
  "rgb": {
    "r": 39,
    "g": 140,
    "b": 86
  },
  "hsl": {
    "h": 147.921,
    "s": 56.425,
    "l": 35.098
  },
  "oklch": {
    "l": 0.56915,
    "c": 0.12391,
    "h": 155.2
  },
  "luminance": 0.19859
}

Semantic roles & 50–950 ramp

primary

#278C56

secondary

#B7588B

accent

#4899E0

background

#F7FAF8

surface

#EDF4EF

border

#C8CECA

text

#08100B

muted

#7B7F7C

Preview Lab

Preview with #278C56

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

Preview Lab → · Contrast checker → · Palette generator →