#278D3F#278D3F

#278D3F is a mid, vivid green. Relative luminance 0.198; OKLCH L 56.8% C 0.147 H 147.4°. Best body text is #000000 at 4.97:1 contrast (WCAG AA passes).

Color values

HEX	#278D3F
RGB	rgb(39, 141, 63)
HSL	hsl(134, 57%, 35%)
HSV	hsv(134, 72%, 55%)
CMYK	cmyk(72.3%, 0%, 55.3%, 44.7%)
CIE-LAB	lab(51.65, -46.06, 33.10)
CIE-LCH	lch(51.65, 56.72, 144.30°)
OKLab	oklab(56.78% -0.1241 0.0794)
OKLCH	oklch(56.78% 0.147 147.4)
XYZ	xyz(11.2579, 19.8387, 7.9376)
Luminance	0.1984 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#278D3F #8D2775

analogous

#428D27 #278D3F #278D72

triadic

#278D3F #3F278D #8D3F27

tetradic

#278D3F #27428D #8D2775 #8D7227

square

#278D3F #27428D #8D2775 #8D7227

split-complementary

#278D3F #72278D #8D2742

monochromatic

#0C2D14 #1A5D2A #278D3F #34BD54 #5CD278

Accessibility & contrast

On white

4.23

#278D3F on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.97

#278D3F on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #278D3F

4.97:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##278D3F	#FFFFFF	#000000	##000000
##278D3F	1.00	4.23	4.97	4.97
#FFFFFF	4.23	1.00	21.00	21.00
#000000	4.97	21.00	1.00	1.00
##000000	4.97	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#8F8038

Deuteranopia (green-blind)

#837845

Tritanopia (blue-blind)

#008A7B

Achromatopsia (no color)

#7B7B7B

Design tokens & code

CSS

--color: #278d3f;
/* rgb */ color: rgb(39, 141, 63);
/* oklch */ color: oklch(56.8% 0.147 147.4);

Tailwind

colors: {
  custom: {
    50: '#70af76',
    500: '#278d3f',
    950: '#000000',
  },
}

SCSS

$custom: #278d3f;
$custom-light: #70af76;
$custom-dark: #000000;

JSON

{
  "hex": "#278d3f",
  "rgb": {
    "r": 39,
    "g": 141,
    "b": 63
  },
  "hsl": {
    "h": 134.118,
    "s": 56.667,
    "l": 35.294
  },
  "oklch": {
    "l": 0.56781,
    "c": 0.14729,
    "h": 147.4
  },
  "luminance": 0.1984
}

Semantic roles & 50–950 ramp

primary

#278D3F

secondary

#B759A1

accent

#48BCE0

background

#F7FAF7

surface

#EDF5ED

border

#C8CFC8

text

#091008

muted

#7B7F7B

Preview Lab

Preview with #278D3F

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

Preview Lab → · Contrast checker → · Palette generator →