#288B23#288B23

#288B23 is a mid, vivid green. Relative luminance 0.190; OKLCH L 55.9% C 0.166 H 142.4°. Best body text is #000000 at 4.81:1 contrast (WCAG AA passes).

Color values

HEX	#288B23
RGB	rgb(40, 139, 35)
HSL	hsl(117, 60%, 34%)
HSV	hsv(117, 75%, 55%)
CMYK	cmyk(71.2%, 0%, 74.8%, 45.5%)
CIE-LAB	lab(50.73, -48.40, 44.82)
CIE-LCH	lch(50.73, 65.96, 137.20°)
OKLab	oklab(55.93% -0.1317 0.1015)
OKLCH	oklch(55.93% 0.166 142.4)
XYZ	xyz(10.4105, 19.0366, 4.7156)
Luminance	0.1904 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#288B23 #86238B

analogous

#5C8B23 #288B23 #238B52

triadic

#288B23 #23288B #8B2328

tetradic

#288B23 #235C8B #86238B #8B5223

square

#288B23 #235C8B #86238B #8B5223

split-complementary

#288B23 #52238B #8B235C

monochromatic

#0C290A #1A5A17 #288B23 #36BC2F #5BD454

Accessibility & contrast

On white

4.37

#288B23 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.81

#288B23 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #288B23

4.81:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##288B23	#FFFFFF	#000000	##000000
##288B23	1.00	4.37	4.81	4.81
#FFFFFF	4.37	1.00	21.00	21.00
#000000	4.81	21.00	1.00	1.00
##000000	4.81	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#8E7E10

Deuteranopia (green-blind)

#83762E

Tritanopia (blue-blind)

#0C8777

Achromatopsia (no color)

#797979

Design tokens & code

CSS

--color: #288b23;
/* rgb */ color: rgb(40, 139, 35);
/* oklch */ color: oklch(55.9% 0.166 142.4);

Tailwind

colors: {
  custom: {
    50: '#72ae65',
    500: '#288b23',
    950: '#000000',
  },
}

SCSS

$custom: #288b23;
$custom-light: #72ae65;
$custom-dark: #000000;

JSON

{
  "hex": "#288b23",
  "rgb": {
    "r": 40,
    "g": 139,
    "b": 35
  },
  "hsl": {
    "h": 117.115,
    "s": 59.77,
    "l": 34.118
  },
  "oklch": {
    "l": 0.55934,
    "c": 0.16626,
    "h": 142.4
  },
  "luminance": 0.19038
}

Semantic roles & 50–950 ramp

primary

#288B23

secondary

#B352B8

accent

#45E3DB

background

#F7FAF6

surface

#EDF4EB

border

#C8CEC6

text

#091006

muted

#7B7F7A

Preview Lab

Preview with #288B23

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

Preview Lab → · Contrast checker → · Palette generator →