#278A4F#278A4F

#278A4F is a mid, vivid green. Relative luminance 0.192; OKLCH L 56.2% C 0.128 H 152.8°. Best body text is #000000 at 4.83:1 contrast (WCAG AA passes).

Color values

HEX	#278A4F
RGB	rgb(39, 138, 79)
HSL	hsl(144, 56%, 35%)
HSV	hsv(144, 72%, 54%)
CMYK	cmyk(71.7%, 0%, 42.8%, 45.9%)
CIE-LAB	lab(50.89, -42.19, 23.61)
CIE-LCH	lch(50.89, 48.35, 150.77°)
OKLab	oklab(56.22% -0.1138 0.0585)
OKLCH	oklch(56.22% 0.128 152.8)
XYZ	xyz(11.3355, 19.1715, 10.4987)
Luminance	0.1917 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#278A4F #8A2762

analogous

#318A27 #278A4F #278A80

triadic

#278A4F #4F278A #8A4F27

tetradic

#278A4F #27318A #8A2762 #8A8027

square

#278A4F #27318A #8A2762 #8A8027

split-complementary

#278A4F #80278A #8A2731

monochromatic

#0C2B18 #1A5A34 #278A4F #34BA6A #5BD18A

Accessibility & contrast

On white

4.34

#278A4F on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.83

#278A4F on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #278A4F

4.83:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##278A4F	#FFFFFF	#000000	##000000
##278A4F	1.00	4.34	4.83	4.83
#FFFFFF	4.34	1.00	21.00	21.00
#000000	4.83	21.00	1.00	1.00
##000000	4.83	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#8A7E4B

Deuteranopia (green-blind)

#7E7653

Tritanopia (blue-blind)

#00887B

Achromatopsia (no color)

#797979

Design tokens & code

CSS

--color: #278a4f;
/* rgb */ color: rgb(39, 138, 79);
/* oklch */ color: oklch(56.2% 0.128 152.8);

Tailwind

colors: {
  custom: {
    50: '#6fad81',
    500: '#278a4f',
    950: '#000000',
  },
}

SCSS

$custom: #278a4f;
$custom-light: #6fad81;
$custom-dark: #000000;

JSON

{
  "hex": "#278a4f",
  "rgb": {
    "r": 39,
    "g": 138,
    "b": 79
  },
  "hsl": {
    "h": 144.242,
    "s": 55.932,
    "l": 34.706
  },
  "oklch": {
    "l": 0.56224,
    "c": 0.12794,
    "h": 152.8
  },
  "luminance": 0.19173
}

Semantic roles & 50–950 ramp

primary

#278A4F

secondary

#B6578F

accent

#49A2DF

background

#F7FAF7

surface

#EDF4EE

border

#C8CEC9

text

#08100A

muted

#7B7F7C

Preview Lab

Preview with #278A4F

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

Preview Lab → · Contrast checker → · Palette generator →