#278D55#278D55

#278D55 is a mid, vivid green. Relative luminance 0.201; OKLCH L 57.2% C 0.126 H 154.5°. Best body text is #000000 at 5.03:1 contrast (WCAG AA passes).

Color values

HEX	#278D55
RGB	rgb(39, 141, 85)
HSL	hsl(147, 57%, 35%)
HSV	hsv(147, 72%, 55%)
CMYK	cmyk(72.3%, 0%, 39.7%, 44.7%)
CIE-LAB	lab(51.99, -42.23, 21.75)
CIE-LCH	lch(51.99, 47.50, 152.75°)
OKLab	oklab(57.17% -0.114 0.0543)
OKLCH	oklch(57.17% 0.126 154.5)
XYZ	xyz(12.0002, 20.1356, 11.8467)
Luminance	0.2014 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#278D55 #8D275F

analogous

#2C8D27 #278D55 #278D88

triadic

#278D55 #55278D #8D5527

tetradic

#278D55 #272C8D #8D275F #8D8827

square

#278D55 #272C8D #8D275F #8D8827

split-complementary

#278D55 #88278D #8D272C

monochromatic

#0C2D1B #1A5D38 #278D55 #34BD72 #5CD291

Accessibility & contrast

On white

4.18

#278D55 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.03

#278D55 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #278D55

5.03:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##278D55	#FFFFFF	#000000	##000000
##278D55	1.00	4.18	5.03	5.03
#FFFFFF	4.18	1.00	21.00	21.00
#000000	5.03	21.00	1.00	1.00
##000000	5.03	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#8D8151

Deuteranopia (green-blind)

#807859

Tritanopia (blue-blind)

#008B7F

Achromatopsia (no color)

#7C7C7C

Design tokens & code

CSS

--color: #278d55;
/* rgb */ color: rgb(39, 141, 85);
/* oklch */ color: oklch(57.2% 0.126 154.5);

Tailwind

colors: {
  custom: {
    50: '#70af85',
    500: '#278d55',
    950: '#000000',
  },
}

SCSS

$custom: #278d55;
$custom-light: #70af85;
$custom-dark: #000000;

JSON

{
  "hex": "#278d55",
  "rgb": {
    "r": 39,
    "g": 141,
    "b": 85
  },
  "hsl": {
    "h": 147.059,
    "s": 56.667,
    "l": 35.294
  },
  "oklch": {
    "l": 0.57168,
    "c": 0.12628,
    "h": 154.5
  },
  "luminance": 0.20137
}

Semantic roles & 50–950 ramp

primary

#278D55

secondary

#B7598D

accent

#489BE0

background

#F7FAF8

surface

#EDF5EF

border

#C8CFCA

text

#08100B

muted

#7B7F7C

Preview Lab

Preview with #278D55

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

Preview Lab → · Contrast checker → · Palette generator →