#288A23#288A23

#288A23 is a mid, vivid green. Relative luminance 0.187; OKLCH L 55.7% C 0.165 H 142.4°. Best body text is #000000 at 4.75:1 contrast (WCAG AA passes).

Color values

HEX	#288A23
RGB	rgb(40, 138, 35)
HSL	hsl(117, 60%, 34%)
HSV	hsv(117, 75%, 54%)
CMYK	cmyk(71%, 0%, 74.6%, 45.9%)
CIE-LAB	lab(50.39, -48.05, 44.47)
CIE-LCH	lch(50.39, 65.47, 137.21°)
OKLab	oklab(55.65% -0.1307 0.1008)
OKLCH	oklch(55.65% 0.165 142.4)
XYZ	xyz(10.2663, 18.7483, 4.6675)
Luminance	0.1875 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#288A23 #85238A

analogous

#5C8A23 #288A23 #238A52

triadic

#288A23 #23288A #8A2328

tetradic

#288A23 #235C8A #85238A #8A5223

square

#288A23 #235C8A #85238A #8A5223

split-complementary

#288A23 #52238A #8A235C

monochromatic

#0C280A #1A5917 #288A23 #36BB2F #5AD454

Accessibility & contrast

On white

4.42

#288A23 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.75

#288A23 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #288A23

4.75:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##288A23	#FFFFFF	#000000	##000000
##288A23	1.00	4.42	4.75	4.75
#FFFFFF	4.42	1.00	21.00	21.00
#000000	4.75	21.00	1.00	1.00
##000000	4.75	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#8D7D10

Deuteranopia (green-blind)

#82752E

Tritanopia (blue-blind)

#0D8676

Achromatopsia (no color)

#787878

Design tokens & code

CSS

--color: #288a23;
/* rgb */ color: rgb(40, 138, 35);
/* oklch */ color: oklch(55.7% 0.165 142.4);

Tailwind

colors: {
  custom: {
    50: '#71ad65',
    500: '#288a23',
    950: '#000000',
  },
}

SCSS

$custom: #288a23;
$custom-light: #71ad65;
$custom-dark: #000000;

JSON

{
  "hex": "#288a23",
  "rgb": {
    "r": 40,
    "g": 138,
    "b": 35
  },
  "hsl": {
    "h": 117.087,
    "s": 59.538,
    "l": 33.922
  },
  "oklch": {
    "l": 0.55653,
    "c": 0.16506,
    "h": 142.4
  },
  "luminance": 0.18749
}

Semantic roles & 50–950 ramp

primary

#288A23

secondary

#B351B7

accent

#45E3DB

background

#F7FAF6

surface

#EDF4EB

border

#C8CEC6

text

#091006

muted

#7B7F7A

Preview Lab

Preview with #288A23

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

Preview Lab → · Contrast checker → · Palette generator →