#278F55#278F55

#278F55 is a mid, vivid green. Relative luminance 0.207; OKLCH L 57.7% C 0.129 H 154.1°. Best body text is #000000 at 5.15:1 contrast (WCAG AA passes).

Color values

HEX	#278F55
RGB	rgb(39, 143, 85)
HSL	hsl(147, 57%, 36%)
HSV	hsv(147, 73%, 56%)
CMYK	cmyk(72.7%, 0%, 40.6%, 43.9%)
CIE-LAB	lab(52.65, -43.03, 22.62)
CIE-LCH	lch(52.65, 48.61, 152.27°)
OKLab	oklab(57.71% -0.1161 0.0564)
OKLCH	oklch(57.71% 0.129 154.1)
XYZ	xyz(12.2977, 20.7307, 11.9459)
Luminance	0.2073 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#278F55 #8F2761

analogous

#2D8F27 #278F55 #278F89

triadic

#278F55 #55278F #8F5527

tetradic

#278F55 #272D8F #8F2761 #8F8927

square

#278F55 #272D8F #8F2761 #8F8927

split-complementary

#278F55 #89278F #8F272D

monochromatic

#0D2F1C #1A5F38 #278F55 #34BF72 #5DD391

Accessibility & contrast

On white

4.08

#278F55 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.15

#278F55 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #278F55

5.15:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##278F55	#FFFFFF	#000000	##000000
##278F55	1.00	4.08	5.15	5.15
#FFFFFF	4.08	1.00	21.00	21.00
#000000	5.15	21.00	1.00	1.00
##000000	5.15	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#8F8351

Deuteranopia (green-blind)

#827A59

Tritanopia (blue-blind)

#008D80

Achromatopsia (no color)

#7E7E7E

Design tokens & code

CSS

--color: #278f55;
/* rgb */ color: rgb(39, 143, 85);
/* oklch */ color: oklch(57.7% 0.129 154.1);

Tailwind

colors: {
  custom: {
    50: '#70b185',
    500: '#278f55',
    950: '#000000',
  },
}

SCSS

$custom: #278f55;
$custom-light: #70b185;
$custom-dark: #000000;

JSON

{
  "hex": "#278f55",
  "rgb": {
    "r": 39,
    "g": 143,
    "b": 85
  },
  "hsl": {
    "h": 146.538,
    "s": 57.143,
    "l": 35.686
  },
  "oklch": {
    "l": 0.57714,
    "c": 0.12906,
    "h": 154.1
  },
  "luminance": 0.20732
}

Semantic roles & 50–950 ramp

primary

#278F55

secondary

#B85A8E

accent

#479DE0

background

#F7FBF8

surface

#EDF6EF

border

#C8D0CA

text

#08110B

muted

#7B807C

Preview Lab

Preview with #278F55

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

Preview Lab → · Contrast checker → · Palette generator →