#278E54#278E54

#278E54 is a mid, vivid green. Relative luminance 0.204; OKLCH L 57.4% C 0.129 H 153.9°. Best body text is #000000 at 5.08:1 contrast (WCAG AA passes).

Color values

HEX	#278E54
RGB	rgb(39, 142, 84)
HSL	hsl(146, 57%, 35%)
HSV	hsv(146, 73%, 56%)
CMYK	cmyk(72.5%, 0%, 40.8%, 44.3%)
CIE-LAB	lab(52.30, -42.83, 22.71)
CIE-LCH	lch(52.30, 48.48, 152.06°)
OKLab	oklab(57.42% -0.1155 0.0565)
OKLCH	oklch(57.42% 0.129 153.9)
XYZ	xyz(12.1088, 20.4161, 11.6883)
Luminance	0.2042 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#278E54 #8E2761

analogous

#2D8E27 #278E54 #278E87

triadic

#278E54 #54278E #8E5427

tetradic

#278E54 #272D8E #8E2761 #8E8727

square

#278E54 #272D8E #8E2761 #8E8727

split-complementary

#278E54 #87278E #8E272D

monochromatic

#0D2E1B #1A5E38 #278E54 #34BE70 #5DD290

Accessibility & contrast

On white

4.13

#278E54 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.08

#278E54 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #278E54

5.08:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##278E54	#FFFFFF	#000000	##000000
##278E54	1.00	4.13	5.08	5.08
#FFFFFF	4.13	1.00	21.00	21.00
#000000	5.08	21.00	1.00	1.00
##000000	5.08	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#8E8250

Deuteranopia (green-blind)

#817958

Tritanopia (blue-blind)

#008C80

Achromatopsia (no color)

#7D7D7D

Design tokens & code

CSS

--color: #278e54;
/* rgb */ color: rgb(39, 142, 84);
/* oklch */ color: oklch(57.4% 0.129 153.9);

Tailwind

colors: {
  custom: {
    50: '#70b084',
    500: '#278e54',
    950: '#000000',
  },
}

SCSS

$custom: #278e54;
$custom-light: #70b084;
$custom-dark: #000000;

JSON

{
  "hex": "#278e54",
  "rgb": {
    "r": 39,
    "g": 142,
    "b": 84
  },
  "hsl": {
    "h": 146.214,
    "s": 56.906,
    "l": 35.49
  },
  "oklch": {
    "l": 0.57421,
    "c": 0.12864,
    "h": 153.9
  },
  "luminance": 0.20417
}

Semantic roles & 50–950 ramp

primary

#278E54

secondary

#B8598E

accent

#489EE0

background

#F7FAF8

surface

#EDF5EF

border

#C8CFCA

text

#08100B

muted

#7B7F7C

Preview Lab

Preview with #278E54

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

Preview Lab → · Contrast checker → · Palette generator →