#278F57#278F57

#278F57 is a mid, vivid green. Relative luminance 0.208; OKLCH L 57.8% C 0.127 H 154.9°. Best body text is #000000 at 5.15:1 contrast (WCAG AA passes).

Color values

HEX	#278F57
RGB	rgb(39, 143, 87)
HSL	hsl(148, 57%, 36%)
HSV	hsv(148, 73%, 56%)
CMYK	cmyk(72.7%, 0%, 39.2%, 43.9%)
CIE-LAB	lab(52.69, -42.63, 21.56)
CIE-LCH	lch(52.69, 47.78, 153.17°)
OKLab	oklab(57.76% -0.1151 0.0539)
OKLCH	oklch(57.76% 0.127 154.9)
XYZ	xyz(12.3783, 20.7630, 12.3703)
Luminance	0.2076 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#278F57 #8F275F

analogous

#2B8F27 #278F57 #278F8B

triadic

#278F57 #57278F #8F5727

tetradic

#278F57 #272B8F #8F275F #8F8B27

square

#278F57 #272B8F #8F275F #8F8B27

split-complementary

#278F57 #8B278F #8F272B

monochromatic

#0D2F1C #1A5F3A #278F57 #34BF74 #5DD394

Accessibility & contrast

On white

4.08

#278F57 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.15

#278F57 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #278F57

5.15:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##278F57	#FFFFFF	#000000	##000000
##278F57	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)

#8F8353

Deuteranopia (green-blind)

#827A5B

Tritanopia (blue-blind)

#008D81

Achromatopsia (no color)

#7E7E7E

Design tokens & code

CSS

--color: #278f57;
/* rgb */ color: rgb(39, 143, 87);
/* oklch */ color: oklch(57.8% 0.127 154.9);

Tailwind

colors: {
  custom: {
    50: '#70b187',
    500: '#278f57',
    950: '#000000',
  },
}

SCSS

$custom: #278f57;
$custom-light: #70b187;
$custom-dark: #000000;

JSON

{
  "hex": "#278f57",
  "rgb": {
    "r": 39,
    "g": 143,
    "b": 87
  },
  "hsl": {
    "h": 147.692,
    "s": 57.143,
    "l": 35.686
  },
  "oklch": {
    "l": 0.57755,
    "c": 0.12713,
    "h": 154.9
  },
  "luminance": 0.20764
}

Semantic roles & 50–950 ramp

primary

#278F57

secondary

#B85A8D

accent

#479AE0

background

#F7FBF8

surface

#EDF6EF

border

#C8D0CA

text

#08110B

muted

#7B807C

Preview Lab

Preview with #278F57

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

Preview Lab → · Contrast checker → · Palette generator →