#278B52#278B52

#278B52 is a mid, vivid green. Relative luminance 0.195; OKLCH L 56.6% C 0.126 H 153.8°. Best body text is #000000 at 4.90:1 contrast (WCAG AA passes).

Color values

HEX	#278B52
RGB	rgb(39, 139, 82)
HSL	hsl(146, 56%, 35%)
HSV	hsv(146, 72%, 55%)
CMYK	cmyk(71.9%, 0%, 41%, 45.5%)
CIE-LAB	lab(51.27, -42.01, 22.46)
CIE-LCH	lch(51.27, 47.64, 151.87°)
OKLab	oklab(56.56% -0.1134 0.0559)
OKLCH	oklch(56.56% 0.126 153.8)
XYZ	xyz(11.5913, 19.5045, 11.1349)
Luminance	0.1951 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#278B52 #8B2760

analogous

#2E8B27 #278B52 #278B84

triadic

#278B52 #52278B #8B5227

tetradic

#278B52 #272E8B #8B2760 #8B8427

square

#278B52 #272E8B #8B2760 #8B8427

split-complementary

#278B52 #84278B #8B272E

monochromatic

#0C2B1A #1A5B36 #278B52 #34BB6E #5BD18E

Accessibility & contrast

On white

4.28

#278B52 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.90

#278B52 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #278B52

4.90:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##278B52	#FFFFFF	#000000	##000000
##278B52	1.00	4.28	4.90	4.90
#FFFFFF	4.28	1.00	21.00	21.00
#000000	4.90	21.00	1.00	1.00
##000000	4.90	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#8B7F4E

Deuteranopia (green-blind)

#7E7756

Tritanopia (blue-blind)

#00897D

Achromatopsia (no color)

#7A7A7A

Design tokens & code

CSS

--color: #278b52;
/* rgb */ color: rgb(39, 139, 82);
/* oklch */ color: oklch(56.6% 0.126 153.8);

Tailwind

colors: {
  custom: {
    50: '#6fae83',
    500: '#278b52',
    950: '#000000',
  },
}

SCSS

$custom: #278b52;
$custom-light: #6fae83;
$custom-dark: #000000;

JSON

{
  "hex": "#278b52",
  "rgb": {
    "r": 39,
    "g": 139,
    "b": 82
  },
  "hsl": {
    "h": 145.8,
    "s": 56.18,
    "l": 34.902
  },
  "oklch": {
    "l": 0.56559,
    "c": 0.1264,
    "h": 153.8
  },
  "luminance": 0.19506
}

Semantic roles & 50–950 ramp

primary

#278B52

secondary

#B6588E

accent

#489EDF

background

#F7FAF8

surface

#EDF4EF

border

#C8CECA

text

#08100A

muted

#7B7F7C

Preview Lab

Preview with #278B52

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

Preview Lab → · Contrast checker → · Palette generator →