#278F45#278F45

#278F45 is a mid, vivid green. Relative luminance 0.205; OKLCH L 57.4% C 0.144 H 148.8°. Best body text is #000000 at 5.10:1 contrast (WCAG AA passes).

Color values

HEX	#278F45
RGB	rgb(39, 143, 69)
HSL	hsl(137, 57%, 36%)
HSV	hsv(137, 73%, 56%)
CMYK	cmyk(72.7%, 0%, 51.7%, 43.9%)
CIE-LAB	lab(52.40, -45.89, 30.92)
CIE-LCH	lch(52.40, 55.33, 146.03°)
OKLab	oklab(57.43% -0.1235 0.0749)
OKLCH	oklch(57.43% 0.144 148.8)
XYZ	xyz(11.7324, 20.5046, 8.9685)
Luminance	0.2051 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#278F45 #8F2771

analogous

#3D8F27 #278F45 #278F79

triadic

#278F45 #45278F #8F4527

tetradic

#278F45 #273D8F #8F2771 #8F7927

square

#278F45 #273D8F #8F2771 #8F7927

split-complementary

#278F45 #79278F #8F273D

monochromatic

#0D2F17 #1A5F2E #278F45 #34BF5C #5DD37F

Accessibility & contrast

On white

4.12

#278F45 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.10

#278F45 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #278F45

5.10:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##278F45	#FFFFFF	#000000	##000000
##278F45	1.00	4.12	5.10	5.10
#FFFFFF	4.12	1.00	21.00	21.00
#000000	5.10	21.00	1.00	1.00
##000000	5.10	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#90823F

Deuteranopia (green-blind)

#847A4A

Tritanopia (blue-blind)

#008C7E

Achromatopsia (no color)

#7D7D7D

Design tokens & code

CSS

--color: #278f45;
/* rgb */ color: rgb(39, 143, 69);
/* oklch */ color: oklch(57.4% 0.144 148.8);

Tailwind

colors: {
  custom: {
    50: '#70b17a',
    500: '#278f45',
    950: '#000000',
  },
}

SCSS

$custom: #278f45;
$custom-light: #70b17a;
$custom-dark: #000000;

JSON

{
  "hex": "#278f45",
  "rgb": {
    "r": 39,
    "g": 143,
    "b": 69
  },
  "hsl": {
    "h": 137.308,
    "s": 57.143,
    "l": 35.686
  },
  "oklch": {
    "l": 0.57426,
    "c": 0.14443,
    "h": 148.8
  },
  "luminance": 0.20506
}

Semantic roles & 50–950 ramp

primary

#278F45

secondary

#B85A9D

accent

#47B4E0

background

#F7FBF7

surface

#EDF6EE

border

#C8D0C9

text

#091109

muted

#7B807B

Preview Lab

Preview with #278F45

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

Preview Lab → · Contrast checker → · Palette generator →