#278E55#278E55

#278E55 is a mid, vivid green. Relative luminance 0.204; OKLCH L 57.4% C 0.128 H 154.3°. Best body text is #000000 at 5.09:1 contrast (WCAG AA passes).

Color values

HEX	#278E55
RGB	rgb(39, 142, 85)
HSL	hsl(147, 57%, 35%)
HSV	hsv(147, 73%, 56%)
CMYK	cmyk(72.5%, 0%, 40.1%, 44.3%)
CIE-LAB	lab(52.32, -42.63, 22.18)
CIE-LCH	lch(52.32, 48.06, 152.51°)
OKLab	oklab(57.44% -0.1151 0.0553)
OKLCH	oklch(57.44% 0.128 154.3)
XYZ	xyz(12.1483, 20.4318, 11.8961)
Luminance	0.2043 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#278E55 #8E2760

analogous

#2D8E27 #278E55 #278E88

triadic

#278E55 #55278E #8E5527

tetradic

#278E55 #272D8E #8E2760 #8E8827

square

#278E55 #272D8E #8E2760 #8E8827

split-complementary

#278E55 #88278E #8E272D

monochromatic

#0D2E1C #1A5E38 #278E55 #34BE72 #5DD291

Accessibility & contrast

On white

4.13

#278E55 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.09

#278E55 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #278E55

5.09:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##278E55	#FFFFFF	#000000	##000000
##278E55	1.00	4.13	5.09	5.09
#FFFFFF	4.13	1.00	21.00	21.00
#000000	5.09	21.00	1.00	1.00
##000000	5.09	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#8E8251

Deuteranopia (green-blind)

#817959

Tritanopia (blue-blind)

#008C80

Achromatopsia (no color)

#7D7D7D

Design tokens & code

CSS

--color: #278e55;
/* rgb */ color: rgb(39, 142, 85);
/* oklch */ color: oklch(57.4% 0.128 154.3);

Tailwind

colors: {
  custom: {
    50: '#70b085',
    500: '#278e55',
    950: '#000000',
  },
}

SCSS

$custom: #278e55;
$custom-light: #70b085;
$custom-dark: #000000;

JSON

{
  "hex": "#278e55",
  "rgb": {
    "r": 39,
    "g": 142,
    "b": 85
  },
  "hsl": {
    "h": 146.796,
    "s": 56.906,
    "l": 35.49
  },
  "oklch": {
    "l": 0.57441,
    "c": 0.12767,
    "h": 154.3
  },
  "luminance": 0.20433
}

Semantic roles & 50–950 ramp

primary

#278E55

secondary

#B8598D

accent

#489CE0

background

#F7FAF8

surface

#EDF5EF

border

#C8CFCA

text

#08100B

muted

#7B7F7C

Preview Lab

Preview with #278E55

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

Preview Lab → · Contrast checker → · Palette generator →