#278B3F#278B3F

#278B3F is a mid, vivid green. Relative luminance 0.193; OKLCH L 56.2% C 0.145 H 147.6°. Best body text is #000000 at 4.85:1 contrast (WCAG AA passes).

Color values

HEX	#278B3F
RGB	rgb(39, 139, 63)
HSL	hsl(134, 56%, 35%)
HSV	hsv(134, 72%, 55%)
CMYK	cmyk(71.9%, 0%, 54.7%, 45.5%)
CIE-LAB	lab(50.98, -45.31, 32.28)
CIE-LCH	lch(50.98, 55.64, 144.53°)
OKLab	oklab(56.23% -0.1221 0.0775)
OKLCH	oklch(56.23% 0.145 147.6)
XYZ	xyz(10.9657, 19.2542, 7.8402)
Luminance	0.1925 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#278B3F #8B2773

analogous

#418B27 #278B3F #278B71

triadic

#278B3F #3F278B #8B3F27

tetradic

#278B3F #27418B #8B2773 #8B7127

square

#278B3F #27418B #8B2773 #8B7127

split-complementary

#278B3F #71278B #8B2741

monochromatic

#0C2B14 #1A5B29 #278B3F #34BB55 #5BD178

Accessibility & contrast

On white

4.33

#278B3F on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.85

#278B3F on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #278B3F

4.85:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##278B3F	#FFFFFF	#000000	##000000
##278B3F	1.00	4.33	4.85	4.85
#FFFFFF	4.33	1.00	21.00	21.00
#000000	4.85	21.00	1.00	1.00
##000000	4.85	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#8D7E38

Deuteranopia (green-blind)

#817645

Tritanopia (blue-blind)

#00887A

Achromatopsia (no color)

#797979

Design tokens & code

CSS

--color: #278b3f;
/* rgb */ color: rgb(39, 139, 63);
/* oklch */ color: oklch(56.2% 0.145 147.6);

Tailwind

colors: {
  custom: {
    50: '#70ae76',
    500: '#278b3f',
    950: '#000000',
  },
}

SCSS

$custom: #278b3f;
$custom-light: #70ae76;
$custom-dark: #000000;

JSON

{
  "hex": "#278b3f",
  "rgb": {
    "r": 39,
    "g": 139,
    "b": 63
  },
  "hsl": {
    "h": 134.4,
    "s": 56.18,
    "l": 34.902
  },
  "oklch": {
    "l": 0.56226,
    "c": 0.14463,
    "h": 147.6
  },
  "luminance": 0.19255
}

Semantic roles & 50–950 ramp

primary

#278B3F

secondary

#B6589F

accent

#48BBDF

background

#F7FAF7

surface

#EDF4ED

border

#C8CEC8

text

#081008

muted

#7B7F7B

Preview Lab

Preview with #278B3F

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

Preview Lab → · Contrast checker → · Palette generator →