#278F5A#278F5A

#278F5A is a mid, vivid green. Relative luminance 0.208; OKLCH L 57.8% C 0.124 H 156.2°. Best body text is #000000 at 5.16:1 contrast (WCAG AA passes).

Color values

HEX	#278F5A
RGB	rgb(39, 143, 90)
HSL	hsl(149, 57%, 36%)
HSV	hsv(149, 73%, 56%)
CMYK	cmyk(72.7%, 0%, 37.1%, 43.9%)
CIE-LAB	lab(52.74, -42.02, 19.97)
CIE-LCH	lch(52.74, 46.52, 154.58°)
OKLab	oklab(57.82% -0.1137 0.0501)
OKLCH	oklch(57.82% 0.124 156.2)
XYZ	xyz(12.5034, 20.8130, 13.0292)
Luminance	0.2081 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#278F5A #8F275C

analogous

#288F27 #278F5A #278F8E

triadic

#278F5A #5A278F #8F5A27

tetradic

#278F5A #27288F #8F275C #8F8E27

square

#278F5A #27288F #8F275C #8F8E27

split-complementary

#278F5A #8E278F #8F2728

monochromatic

#0D2F1D #1A5F3C #278F5A #34BF78 #5DD397

Accessibility & contrast

On white

4.07

#278F5A on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.16

#278F5A on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #278F5A

5.16:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##278F5A	#FFFFFF	#000000	##000000
##278F5A	1.00	4.07	5.16	5.16
#FFFFFF	4.07	1.00	21.00	21.00
#000000	5.16	21.00	1.00	1.00
##000000	5.16	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#8E8357

Deuteranopia (green-blind)

#817A5D

Tritanopia (blue-blind)

#008E81

Achromatopsia (no color)

#7E7E7E

Design tokens & code

CSS

--color: #278f5a;
/* rgb */ color: rgb(39, 143, 90);
/* oklch */ color: oklch(57.8% 0.124 156.2);

Tailwind

colors: {
  custom: {
    50: '#70b189',
    500: '#278f5a',
    950: '#000000',
  },
}

SCSS

$custom: #278f5a;
$custom-light: #70b189;
$custom-dark: #000000;

JSON

{
  "hex": "#278f5a",
  "rgb": {
    "r": 39,
    "g": 143,
    "b": 90
  },
  "hsl": {
    "h": 149.423,
    "s": 57.143,
    "l": 35.686
  },
  "oklch": {
    "l": 0.57819,
    "c": 0.12424,
    "h": 156.2
  },
  "luminance": 0.20814
}

Semantic roles & 50–950 ramp

primary

#278F5A

secondary

#B85A8A

accent

#4795E0

background

#F7FBF8

surface

#EDF6F0

border

#C8D0CB

text

#08110B

muted

#7B807C

Preview Lab

Preview with #278F5A

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

Preview Lab → · Contrast checker → · Palette generator →