#288B33#288B33

#288B33 is a mid, vivid green. Relative luminance 0.192; OKLCH L 56.1% C 0.155 H 144.8°. Best body text is #000000 at 4.83:1 contrast (WCAG AA passes).

Color values

HEX	#288B33
RGB	rgb(40, 139, 51)
HSL	hsl(127, 55%, 35%)
HSV	hsv(127, 71%, 55%)
CMYK	cmyk(71.2%, 0%, 63.3%, 45.5%)
CIE-LAB	lab(50.87, -46.76, 38.08)
CIE-LCH	lch(50.87, 60.30, 140.84°)
OKLab	oklab(56.09% -0.1264 0.0892)
OKLCH	oklch(56.09% 0.155 144.8)
XYZ	xyz(10.7045, 19.1542, 6.2643)
Luminance	0.1915 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#288B33 #8B2880

analogous

#4E8B28 #288B33 #288B65

triadic

#288B33 #33288B #8B3328

tetradic

#288B33 #284E8B #8B2880 #8B6528

square

#288B33 #284E8B #8B2880 #8B6528

split-complementary

#288B33 #65288B #8B284E

monochromatic

#0D2C10 #1A5B22 #288B33 #36BB44 #5DD06A

Accessibility & contrast

On white

4.35

#288B33 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.83

#288B33 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #288B33

4.83:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##288B33	#FFFFFF	#000000	##000000
##288B33	1.00	4.35	4.83	4.83
#FFFFFF	4.35	1.00	21.00	21.00
#000000	4.83	21.00	1.00	1.00
##000000	4.83	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#8D7E29

Deuteranopia (green-blind)

#82763A

Tritanopia (blue-blind)

#038778

Achromatopsia (no color)

#797979

Design tokens & code

CSS

--color: #288b33;
/* rgb */ color: rgb(40, 139, 51);
/* oklch */ color: oklch(56.1% 0.155 144.8);

Tailwind

colors: {
  custom: {
    50: '#71ae6e',
    500: '#288b33',
    950: '#000000',
  },
}

SCSS

$custom: #288b33;
$custom-light: #71ae6e;
$custom-dark: #000000;

JSON

{
  "hex": "#288b33",
  "rgb": {
    "r": 40,
    "g": 139,
    "b": 51
  },
  "hsl": {
    "h": 126.667,
    "s": 55.307,
    "l": 35.098
  },
  "oklch": {
    "l": 0.56091,
    "c": 0.15473,
    "h": 144.8
  },
  "luminance": 0.19155
}

Semantic roles & 50–950 ramp

primary

#288B33

secondary

#B659AB

accent

#49CEDF

background

#F7FAF6

surface

#EDF4EC

border

#C8CEC7

text

#091007

muted

#7B7F7A

Preview Lab

Preview with #288B33

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

Preview Lab → · Contrast checker → · Palette generator →