#288B2A#288B2A

#288B2A is a mid, vivid green. Relative luminance 0.191; OKLCH L 56.0% C 0.162 H 143.3°. Best body text is #000000 at 4.82:1 contrast (WCAG AA passes).

Color values

HEX	#288B2A
RGB	rgb(40, 139, 42)
HSL	hsl(121, 55%, 35%)
HSV	hsv(121, 71%, 55%)
CMYK	cmyk(71.2%, 0%, 69.8%, 45.5%)
CIE-LAB	lab(50.78, -47.76, 42.03)
CIE-LCH	lch(50.78, 63.62, 138.65°)
OKLab	oklab(56% -0.1296 0.0966)
OKLCH	oklch(56% 0.162 143.3)
XYZ	xyz(10.5250, 19.0824, 5.3186)
Luminance	0.1908 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#288B2A #8B2889

analogous

#588B28 #288B2A #288B5B

triadic

#288B2A #2A288B #8B2A28

tetradic

#288B2A #28588B #8B2889 #8B5B28

square

#288B2A #28588B #8B2889 #8B5B28

split-complementary

#288B2A #5B288B #8B2858

monochromatic

#0D2C0D #1A5B1C #288B2A #36BB38 #5DD05F

Accessibility & contrast

On white

4.36

#288B2A on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.82

#288B2A on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #288B2A

4.82:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##288B2A	#FFFFFF	#000000	##000000
##288B2A	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)

#8E7E1C

Deuteranopia (green-blind)

#827633

Tritanopia (blue-blind)

#098777

Achromatopsia (no color)

#797979

Design tokens & code

CSS

--color: #288b2a;
/* rgb */ color: rgb(40, 139, 42);
/* oklch */ color: oklch(56.0% 0.162 143.3);

Tailwind

colors: {
  custom: {
    50: '#71ae69',
    500: '#288b2a',
    950: '#000000',
  },
}

SCSS

$custom: #288b2a;
$custom-light: #71ae69;
$custom-dark: #000000;

JSON

{
  "hex": "#288b2a",
  "rgb": {
    "r": 40,
    "g": 139,
    "b": 42
  },
  "hsl": {
    "h": 121.212,
    "s": 55.307,
    "l": 35.098
  },
  "oklch": {
    "l": 0.55995,
    "c": 0.1616,
    "h": 143.3
  },
  "luminance": 0.19084
}

Semantic roles & 50–950 ramp

primary

#288B2A

secondary

#B659B4

accent

#49DCDF

background

#F7FAF6

surface

#EDF4EB

border

#C8CEC6

text

#091006

muted

#7B7F7A

Preview Lab

Preview with #288B2A

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

Preview Lab → · Contrast checker → · Palette generator →