#278A4E#278A4E

#278A4E is a mid, vivid green. Relative luminance 0.192; OKLCH L 56.2% C 0.129 H 152.4°. Best body text is #000000 at 4.83:1 contrast (WCAG AA passes).

Color values

HEX	#278A4E
RGB	rgb(39, 138, 78)
HSL	hsl(144, 56%, 35%)
HSV	hsv(144, 72%, 54%)
CMYK	cmyk(71.7%, 0%, 43.5%, 45.9%)
CIE-LAB	lab(50.87, -42.38, 24.14)
CIE-LCH	lch(50.87, 48.77, 150.33°)
OKLab	oklab(56.21% -0.1142 0.0597)
OKLCH	oklch(56.21% 0.129 152.4)
XYZ	xyz(11.2994, 19.1571, 10.3084)
Luminance	0.1916 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#278A4E #8A2763

analogous

#328A27 #278A4E #278A7F

triadic

#278A4E #4E278A #8A4E27

tetradic

#278A4E #27328A #8A2763 #8A7F27

square

#278A4E #27328A #8A2763 #8A7F27

split-complementary

#278A4E #7F278A #8A2732

monochromatic

#0C2B18 #1A5A33 #278A4E #34BA69 #5BD189

Accessibility & contrast

On white

4.35

#278A4E on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.83

#278A4E on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #278A4E

4.83:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##278A4E	#FFFFFF	#000000	##000000
##278A4E	1.00	4.35	4.83	4.83
#FFFFFF	4.35	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)

#8A7E4A

Deuteranopia (green-blind)

#7E7652

Tritanopia (blue-blind)

#00887B

Achromatopsia (no color)

#797979

Design tokens & code

CSS

--color: #278a4e;
/* rgb */ color: rgb(39, 138, 78);
/* oklch */ color: oklch(56.2% 0.129 152.4);

Tailwind

colors: {
  custom: {
    50: '#6fad80',
    500: '#278a4e',
    950: '#000000',
  },
}

SCSS

$custom: #278a4e;
$custom-light: #6fad80;
$custom-dark: #000000;

JSON

{
  "hex": "#278a4e",
  "rgb": {
    "r": 39,
    "g": 138,
    "b": 78
  },
  "hsl": {
    "h": 143.636,
    "s": 55.932,
    "l": 34.706
  },
  "oklch": {
    "l": 0.56205,
    "c": 0.12891,
    "h": 152.4
  },
  "luminance": 0.19158
}

Semantic roles & 50–950 ramp

primary

#278A4E

secondary

#B65790

accent

#49A4DF

background

#F7FAF7

surface

#EDF4EE

border

#C8CEC9

text

#08100A

muted

#7B7F7C

Preview Lab

Preview with #278A4E

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

Preview Lab → · Contrast checker → · Palette generator →