#288C2B#288C2B

#288C2B is a mid, vivid green. Relative luminance 0.194; OKLCH L 56.3% C 0.162 H 143.4°. Best body text is #000000 at 4.88:1 contrast (WCAG AA passes).

Color values

HEX	#288C2B
RGB	rgb(40, 140, 43)
HSL	hsl(122, 56%, 35%)
HSV	hsv(122, 71%, 55%)
CMYK	cmyk(71.4%, 0%, 69.3%, 45.1%)
CIE-LAB	lab(51.13, -48.01, 41.98)
CIE-LCH	lch(51.13, 63.77, 138.84°)
OKLab	oklab(56.29% -0.1302 0.0966)
OKLCH	oklch(56.29% 0.162 143.4)
XYZ	xyz(10.6885, 19.3805, 5.4626)
Luminance	0.1938 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#288C2B #8C2889

analogous

#578C28 #288C2B #288C5D

triadic

#288C2B #2B288C #8C2B28

tetradic

#288C2B #28578C #8C2889 #8C5D28

square

#288C2B #28578C #8C2889 #8C5D28

split-complementary

#288C2B #5D288C #8C2857

monochromatic

#0D2D0E #1A5C1C #288C2B #36BC3A #5ED161

Accessibility & contrast

On white

4.31

#288C2B on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.88

#288C2B on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #288C2B

4.88:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##288C2B	#FFFFFF	#000000	##000000
##288C2B	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)

#8F7F1E

Deuteranopia (green-blind)

#837734

Tritanopia (blue-blind)

#078878

Achromatopsia (no color)

#7A7A7A

Design tokens & code

CSS

--color: #288c2b;
/* rgb */ color: rgb(40, 140, 43);
/* oklch */ color: oklch(56.3% 0.162 143.4);

Tailwind

colors: {
  custom: {
    50: '#71af69',
    500: '#288c2b',
    950: '#000000',
  },
}

SCSS

$custom: #288c2b;
$custom-light: #71af69;
$custom-dark: #000000;

JSON

{
  "hex": "#288c2b",
  "rgb": {
    "r": 40,
    "g": 140,
    "b": 43
  },
  "hsl": {
    "h": 121.8,
    "s": 55.556,
    "l": 35.294
  },
  "oklch": {
    "l": 0.56285,
    "c": 0.16212,
    "h": 143.4
  },
  "luminance": 0.19382
}

Semantic roles & 50–950 ramp

primary

#288C2B

secondary

#B65AB3

accent

#49DADF

background

#F7FAF6

surface

#EDF5EB

border

#C8CFC6

text

#091007

muted

#7B7F7A

Preview Lab

Preview with #288C2B

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

Preview Lab → · Contrast checker → · Palette generator →