#278B2B#278B2B

#278B2B is a mid, vivid green. Relative luminance 0.191; OKLCH L 56.0% C 0.161 H 143.6°. Best body text is #000000 at 4.81:1 contrast (WCAG AA passes).

Color values

HEX	#278B2B
RGB	rgb(39, 139, 43)
HSL	hsl(122, 56%, 35%)
HSV	hsv(122, 72%, 55%)
CMYK	cmyk(71.9%, 0%, 69.1%, 45.5%)
CIE-LAB	lab(50.77, -47.85, 41.58)
CIE-LCH	lch(50.77, 63.39, 139.01°)
OKLab	oklab(55.98% -0.1297 0.0958)
OKLCH	oklch(55.98% 0.161 143.6)
XYZ	xyz(10.5047, 19.0698, 5.4123)
Luminance	0.1907 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#278B2B #8B2787

analogous

#558B27 #278B2B #278B5D

triadic

#278B2B #2B278B #8B2B27

tetradic

#278B2B #27558B #8B2787 #8B5D27

square

#278B2B #27558B #8B2787 #8B5D27

split-complementary

#278B2B #5D278B #8B2755

monochromatic

#0C2B0D #1A5B1C #278B2B #34BB3A #5BD160

Accessibility & contrast

On white

4.36

#278B2B on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.81

#278B2B on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #278B2B

4.81:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##278B2B	#FFFFFF	#000000	##000000
##278B2B	1.00	4.36	4.81	4.81
#FFFFFF	4.36	1.00	21.00	21.00
#000000	4.81	21.00	1.00	1.00
##000000	4.81	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#8E7E1E

Deuteranopia (green-blind)

#827634

Tritanopia (blue-blind)

#048777

Achromatopsia (no color)

#797979

Design tokens & code

CSS

--color: #278b2b;
/* rgb */ color: rgb(39, 139, 43);
/* oklch */ color: oklch(56.0% 0.161 143.6);

Tailwind

colors: {
  custom: {
    50: '#71ae69',
    500: '#278b2b',
    950: '#000000',
  },
}

SCSS

$custom: #278b2b;
$custom-light: #71ae69;
$custom-dark: #000000;

JSON

{
  "hex": "#278b2b",
  "rgb": {
    "r": 39,
    "g": 139,
    "b": 43
  },
  "hsl": {
    "h": 122.4,
    "s": 56.18,
    "l": 34.902
  },
  "oklch": {
    "l": 0.55979,
    "c": 0.16123,
    "h": 143.6
  },
  "luminance": 0.19071
}

Semantic roles & 50–950 ramp

primary

#278B2B

secondary

#B658B2

accent

#48D9DF

background

#F7FAF6

surface

#EDF4EB

border

#C8CEC6

text

#091007

muted

#7B7F7A

Preview Lab

Preview with #278B2B

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

Preview Lab → · Contrast checker → · Palette generator →