#278B4A#278B4A

#278B4A is a mid, vivid green. Relative luminance 0.194; OKLCH L 56.4% C 0.134 H 150.8°. Best body text is #000000 at 4.88:1 contrast (WCAG AA passes).

Color values

HEX	#278B4A
RGB	rgb(39, 139, 74)
HSL	hsl(141, 56%, 35%)
HSV	hsv(141, 72%, 55%)
CMYK	cmyk(71.9%, 0%, 46.8%, 45.5%)
CIE-LAB	lab(51.14, -43.51, 26.67)
CIE-LCH	lch(51.14, 51.03, 148.49°)
OKLab	oklab(56.41% -0.1172 0.0654)
OKLCH	oklch(56.41% 0.134 150.8)
XYZ	xyz(11.3044, 19.3897, 9.6241)
Luminance	0.1939 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#278B4A #8B2768

analogous

#368B27 #278B4A #278B7C

triadic

#278B4A #4A278B #8B4A27

tetradic

#278B4A #27368B #8B2768 #8B7C27

square

#278B4A #27368B #8B2768 #8B7C27

split-complementary

#278B4A #7C278B #8B2736

monochromatic

#0C2B17 #1A5B31 #278B4A #34BB63 #5BD185

Accessibility & contrast

On white

4.30

#278B4A on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.88

#278B4A on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #278B4A

4.88:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##278B4A	#FFFFFF	#000000	##000000
##278B4A	1.00	4.30	4.88	4.88
#FFFFFF	4.30	1.00	21.00	21.00
#000000	4.88	21.00	1.00	1.00
##000000	4.88	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#8C7F45

Deuteranopia (green-blind)

#80764F

Tritanopia (blue-blind)

#00897B

Achromatopsia (no color)

#7A7A7A

Design tokens & code

CSS

--color: #278b4a;
/* rgb */ color: rgb(39, 139, 74);
/* oklch */ color: oklch(56.4% 0.134 150.8);

Tailwind

colors: {
  custom: {
    50: '#6fae7d',
    500: '#278b4a',
    950: '#000000',
  },
}

SCSS

$custom: #278b4a;
$custom-light: #6fae7d;
$custom-dark: #000000;

JSON

{
  "hex": "#278b4a",
  "rgb": {
    "r": 39,
    "g": 139,
    "b": 74
  },
  "hsl": {
    "h": 141,
    "s": 56.18,
    "l": 34.902
  },
  "oklch": {
    "l": 0.56406,
    "c": 0.13421,
    "h": 150.8
  },
  "luminance": 0.19391
}

Semantic roles & 50–950 ramp

primary

#278B4A

secondary

#B65895

accent

#48ABDF

background

#F7FAF7

surface

#EDF4EE

border

#C8CEC9

text

#08100A

muted

#7B7F7C

Preview Lab

Preview with #278B4A

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

Preview Lab → · Contrast checker → · Palette generator →