#288B48#288B48

#288B48 is a mid, vivid green. Relative luminance 0.194; OKLCH L 56.4% C 0.136 H 150.0°. Best body text is #000000 at 4.88:1 contrast (WCAG AA passes).

Color values

HEX	#288B48
RGB	rgb(40, 139, 72)
HSL	hsl(139, 55%, 35%)
HSV	hsv(139, 71%, 55%)
CMYK	cmyk(71.2%, 0%, 48.2%, 45.5%)
CIE-LAB	lab(51.13, -43.68, 27.74)
CIE-LCH	lch(51.13, 51.74, 147.58°)
OKLab	oklab(56.4% -0.1176 0.0678)
OKLCH	oklch(56.4% 0.136 150)
XYZ	xyz(11.2765, 19.3830, 9.2766)
Luminance	0.1938 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#288B48 #8B286B

analogous

#398B28 #288B48 #288B79

triadic

#288B48 #48288B #8B4828

tetradic

#288B48 #28398B #8B286B #8B7928

square

#288B48 #28398B #8B286B #8B7928

split-complementary

#288B48 #79288B #8B2839

monochromatic

#0D2C17 #1A5B2F #288B48 #36BB61 #5DD082

Accessibility & contrast

On white

4.31

#288B48 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.88

#288B48 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #288B48

4.88:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##288B48	#FFFFFF	#000000	##000000
##288B48	1.00	4.31	4.88	4.88
#FFFFFF	4.31	1.00	21.00	21.00
#000000	4.88	21.00	1.00	1.00
##000000	4.88	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#8C7F43

Deuteranopia (green-blind)

#80764D

Tritanopia (blue-blind)

#00897B

Achromatopsia (no color)

#7A7A7A

Design tokens & code

CSS

--color: #288b48;
/* rgb */ color: rgb(40, 139, 72);
/* oklch */ color: oklch(56.4% 0.136 150.0);

Tailwind

colors: {
  custom: {
    50: '#70ae7c',
    500: '#288b48',
    950: '#000000',
  },
}

SCSS

$custom: #288b48;
$custom-light: #70ae7c;
$custom-dark: #000000;

JSON

{
  "hex": "#288b48",
  "rgb": {
    "r": 40,
    "g": 139,
    "b": 72
  },
  "hsl": {
    "h": 139.394,
    "s": 55.307,
    "l": 35.098
  },
  "oklch": {
    "l": 0.56397,
    "c": 0.13578,
    "h": 150
  },
  "luminance": 0.19384
}

Semantic roles & 50–950 ramp

primary

#288B48

secondary

#B65998

accent

#49AEDF

background

#F7FAF7

surface

#EDF4EE

border

#C8CEC9

text

#081009

muted

#7B7F7B

Preview Lab

Preview with #288B48

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

Preview Lab → · Contrast checker → · Palette generator →