#288B47#288B47

#288B47 is a mid, vivid green. Relative luminance 0.194; OKLCH L 56.4% C 0.137 H 149.7°. Best body text is #000000 at 4.87:1 contrast (WCAG AA passes).

Color values

HEX	#288B47
RGB	rgb(40, 139, 71)
HSL	hsl(139, 55%, 35%)
HSV	hsv(139, 71%, 55%)
CMYK	cmyk(71.2%, 0%, 48.9%, 45.5%)
CIE-LAB	lab(51.12, -43.85, 28.26)
CIE-LCH	lch(51.12, 52.16, 147.20°)
OKLab	oklab(56.38% -0.1181 0.069)
OKLCH	oklch(56.38% 0.137 149.7)
XYZ	xyz(11.2441, 19.3700, 9.1062)
Luminance	0.1937 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#288B47 #8B286C

analogous

#3A8B28 #288B47 #288B78

triadic

#288B47 #47288B #8B4728

tetradic

#288B47 #283A8B #8B286C #8B7828

square

#288B47 #283A8B #8B286C #8B7828

split-complementary

#288B47 #78288B #8B283A

monochromatic

#0D2C16 #1A5B2F #288B47 #36BB5F #5DD081

Accessibility & contrast

On white

4.31

#288B47 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.87

#288B47 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #288B47

4.87:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##288B47	#FFFFFF	#000000	##000000
##288B47	1.00	4.31	4.87	4.87
#FFFFFF	4.31	1.00	21.00	21.00
#000000	4.87	21.00	1.00	1.00
##000000	4.87	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#8C7F42

Deuteranopia (green-blind)

#80764C

Tritanopia (blue-blind)

#00887B

Achromatopsia (no color)

#7A7A7A

Design tokens & code

CSS

--color: #288b47;
/* rgb */ color: rgb(40, 139, 71);
/* oklch */ color: oklch(56.4% 0.137 149.7);

Tailwind

colors: {
  custom: {
    50: '#70ae7b',
    500: '#288b47',
    950: '#000000',
  },
}

SCSS

$custom: #288b47;
$custom-light: #70ae7b;
$custom-dark: #000000;

JSON

{
  "hex": "#288b47",
  "rgb": {
    "r": 40,
    "g": 139,
    "b": 71
  },
  "hsl": {
    "h": 138.788,
    "s": 55.307,
    "l": 35.098
  },
  "oklch": {
    "l": 0.56379,
    "c": 0.13675,
    "h": 149.7
  },
  "luminance": 0.19371
}

Semantic roles & 50–950 ramp

primary

#288B47

secondary

#B65999

accent

#49B0DF

background

#F7FAF7

surface

#EDF4EE

border

#C8CEC9

text

#081009

muted

#7B7F7B

Preview Lab

Preview with #288B47

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

Preview Lab → · Contrast checker → · Palette generator →