#288B44#288B44

#288B44 is a mid, vivid green. Relative luminance 0.193; OKLCH L 56.3% C 0.140 H 148.8°. Best body text is #000000 at 4.87:1 contrast (WCAG AA passes).

Color values

HEX	#288B44
RGB	rgb(40, 139, 68)
HSL	hsl(137, 55%, 35%)
HSV	hsv(137, 71%, 55%)
CMYK	cmyk(71.2%, 0%, 51.1%, 45.5%)
CIE-LAB	lab(51.07, -44.35, 29.80)
CIE-LCH	lch(51.07, 53.43, 146.10°)
OKLab	oklab(56.33% -0.1194 0.0723)
OKLCH	oklch(56.33% 0.14 148.8)
XYZ	xyz(11.1502, 19.3325, 8.6116)
Luminance	0.1933 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#288B44 #8B286F

analogous

#3D8B28 #288B44 #288B76

triadic

#288B44 #44288B #8B4428

tetradic

#288B44 #283D8B #8B286F #8B7628

square

#288B44 #283D8B #8B286F #8B7628

split-complementary

#288B44 #76288B #8B283D

monochromatic

#0D2C16 #1A5B2D #288B44 #36BB5B #5DD07E

Accessibility & contrast

On white

4.31

#288B44 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.87

#288B44 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #288B44

4.87:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##288B44	#FFFFFF	#000000	##000000
##288B44	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)

#8C7F3E

Deuteranopia (green-blind)

#807649

Tritanopia (blue-blind)

#00887A

Achromatopsia (no color)

#7A7A7A

Design tokens & code

CSS

--color: #288b44;
/* rgb */ color: rgb(40, 139, 68);
/* oklch */ color: oklch(56.3% 0.140 148.8);

Tailwind

colors: {
  custom: {
    50: '#70ae79',
    500: '#288b44',
    950: '#000000',
  },
}

SCSS

$custom: #288b44;
$custom-light: #70ae79;
$custom-dark: #000000;

JSON

{
  "hex": "#288b44",
  "rgb": {
    "r": 40,
    "g": 139,
    "b": 68
  },
  "hsl": {
    "h": 136.97,
    "s": 55.307,
    "l": 35.098
  },
  "oklch": {
    "l": 0.56329,
    "c": 0.13961,
    "h": 148.8
  },
  "luminance": 0.19334
}

Semantic roles & 50–950 ramp

primary

#288B44

secondary

#B6599C

accent

#49B4DF

background

#F7FAF7

surface

#EDF4ED

border

#C8CEC8

text

#081009

muted

#7B7F7B

Preview Lab

Preview with #288B44

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

Preview Lab → · Contrast checker → · Palette generator →