#288B2C#288B2C

#288B2C is a mid, vivid green. Relative luminance 0.191; OKLCH L 56.0% C 0.160 H 143.6°. Best body text is #000000 at 4.82:1 contrast (WCAG AA passes).

Color values

HEX	#288B2C
RGB	rgb(40, 139, 44)
HSL	hsl(122, 55%, 35%)
HSV	hsv(122, 71%, 55%)
CMYK	cmyk(71.2%, 0%, 68.3%, 45.5%)
CIE-LAB	lab(50.80, -47.55, 41.19)
CIE-LCH	lch(50.80, 62.91, 139.10°)
OKLab	oklab(56.02% -0.1289 0.0951)
OKLCH	oklch(56.02% 0.16 143.6)
XYZ	xyz(10.5617, 19.0971, 5.5119)
Luminance	0.1910 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#288B2C #8B2887

analogous

#568B28 #288B2C #288B5D

triadic

#288B2C #2C288B #8B2C28

tetradic

#288B2C #28568B #8B2887 #8B5D28

square

#288B2C #28568B #8B2887 #8B5D28

split-complementary

#288B2C #5D288B #8B2856

monochromatic

#0D2C0E #1A5B1D #288B2C #36BB3B #5DD062

Accessibility & contrast

On white

4.36

#288B2C on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.82

#288B2C on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #288B2C

4.82:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##288B2C	#FFFFFF	#000000	##000000
##288B2C	1.00	4.36	4.82	4.82
#FFFFFF	4.36	1.00	21.00	21.00
#000000	4.82	21.00	1.00	1.00
##000000	4.82	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#8E7E1F

Deuteranopia (green-blind)

#827635

Tritanopia (blue-blind)

#088778

Achromatopsia (no color)

#797979

Design tokens & code

CSS

--color: #288b2c;
/* rgb */ color: rgb(40, 139, 44);
/* oklch */ color: oklch(56.0% 0.160 143.6);

Tailwind

colors: {
  custom: {
    50: '#71ae6a',
    500: '#288b2c',
    950: '#000000',
  },
}

SCSS

$custom: #288b2c;
$custom-light: #71ae6a;
$custom-dark: #000000;

JSON

{
  "hex": "#288b2c",
  "rgb": {
    "r": 40,
    "g": 139,
    "b": 44
  },
  "hsl": {
    "h": 122.424,
    "s": 55.307,
    "l": 35.098
  },
  "oklch": {
    "l": 0.56015,
    "c": 0.16016,
    "h": 143.6
  },
  "luminance": 0.19098
}

Semantic roles & 50–950 ramp

primary

#288B2C

secondary

#B659B2

accent

#49D9DF

background

#F7FAF6

surface

#EDF4EB

border

#C8CEC6

text

#091007

muted

#7B7F7A

Preview Lab

Preview with #288B2C

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

Preview Lab → · Contrast checker → · Palette generator →