#288B49#288B49

#288B49 is a mid, vivid green. Relative luminance 0.194; OKLCH L 56.4% C 0.135 H 150.4°. Best body text is #000000 at 4.88:1 contrast (WCAG AA passes).

Color values

HEX	#288B49
RGB	rgb(40, 139, 73)
HSL	hsl(140, 55%, 35%)
HSV	hsv(140, 71%, 55%)
CMYK	cmyk(71.2%, 0%, 47.5%, 45.5%)
CIE-LAB	lab(51.15, -43.50, 27.22)
CIE-LCH	lch(51.15, 51.32, 147.96°)
OKLab	oklab(56.41% -0.1172 0.0667)
OKLCH	oklch(56.41% 0.135 150.4)
XYZ	xyz(11.3094, 19.3961, 9.4498)
Luminance	0.1940 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#288B49 #8B286A

analogous

#398B28 #288B49 #288B7A

triadic

#288B49 #49288B #8B4928

tetradic

#288B49 #28398B #8B286A #8B7A28

square

#288B49 #28398B #8B286A #8B7A28

split-complementary

#288B49 #7A288B #8B2839

monochromatic

#0D2C17 #1A5B30 #288B49 #36BB62 #5DD083

Accessibility & contrast

On white

4.30

#288B49 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.88

#288B49 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #288B49

4.88:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##288B49	#FFFFFF	#000000	##000000
##288B49	1.00	4.30	4.88	4.88
#FFFFFF	4.30	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)

#8C7F44

Deuteranopia (green-blind)

#80764E

Tritanopia (blue-blind)

#00897B

Achromatopsia (no color)

#7A7A7A

Design tokens & code

CSS

--color: #288b49;
/* rgb */ color: rgb(40, 139, 73);
/* oklch */ color: oklch(56.4% 0.135 150.4);

Tailwind

colors: {
  custom: {
    50: '#70ae7d',
    500: '#288b49',
    950: '#000000',
  },
}

SCSS

$custom: #288b49;
$custom-light: #70ae7d;
$custom-dark: #000000;

JSON

{
  "hex": "#288b49",
  "rgb": {
    "r": 40,
    "g": 139,
    "b": 73
  },
  "hsl": {
    "h": 140,
    "s": 55.307,
    "l": 35.098
  },
  "oklch": {
    "l": 0.56414,
    "c": 0.13481,
    "h": 150.4
  },
  "luminance": 0.19397
}

Semantic roles & 50–950 ramp

primary

#288B49

secondary

#B65997

accent

#49ADDF

background

#F7FAF7

surface

#EDF4EE

border

#C8CEC9

text

#081009

muted

#7B7F7B

Preview Lab

Preview with #288B49

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

Preview Lab → · Contrast checker → · Palette generator →