#288F43#288F43

#288F43 is a mid, vivid green. Relative luminance 0.205; OKLCH L 57.4% C 0.146 H 148.1°. Best body text is #000000 at 5.10:1 contrast (WCAG AA passes).

Color values

HEX	#288F43
RGB	rgb(40, 143, 67)
HSL	hsl(136, 56%, 36%)
HSV	hsv(136, 72%, 56%)
CMYK	cmyk(72%, 0%, 53.1%, 43.9%)
CIE-LAB	lab(52.40, -46.02, 31.95)
CIE-LCH	lch(52.40, 56.03, 145.23°)
OKLab	oklab(57.42% -0.1239 0.0771)
OKLCH	oklch(57.42% 0.146 148.1)
XYZ	xyz(11.7098, 20.5000, 8.6489)
Luminance	0.2050 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#288F43 #8F2874

analogous

#408F28 #288F43 #288F76

triadic

#288F43 #43288F #8F4328

tetradic

#288F43 #28408F #8F2874 #8F7628

square

#288F43 #28408F #8F2874 #8F7628

split-complementary

#288F43 #76288F #8F2840

monochromatic

#0D2F16 #1B5F2D #288F43 #35BF59 #5FD27D

Accessibility & contrast

On white

4.12

#288F43 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.10

#288F43 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #288F43

5.10:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##288F43	#FFFFFF	#000000	##000000
##288F43	1.00	4.12	5.10	5.10
#FFFFFF	4.12	1.00	21.00	21.00
#000000	5.10	21.00	1.00	1.00
##000000	5.10	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#90823C

Deuteranopia (green-blind)

#847A49

Tritanopia (blue-blind)

#008C7E

Achromatopsia (no color)

#7D7D7D

Design tokens & code

CSS

--color: #288f43;
/* rgb */ color: rgb(40, 143, 67);
/* oklch */ color: oklch(57.4% 0.146 148.1);

Tailwind

colors: {
  custom: {
    50: '#71b179',
    500: '#288f43',
    950: '#000000',
  },
}

SCSS

$custom: #288f43;
$custom-light: #71b179;
$custom-dark: #000000;

JSON

{
  "hex": "#288f43",
  "rgb": {
    "r": 40,
    "g": 143,
    "b": 67
  },
  "hsl": {
    "h": 135.728,
    "s": 56.284,
    "l": 35.882
  },
  "oklch": {
    "l": 0.57419,
    "c": 0.14596,
    "h": 148.1
  },
  "luminance": 0.20501
}

Semantic roles & 50–950 ramp

primary

#288F43

secondary

#B85B9F

accent

#48B8E0

background

#F7FBF7

surface

#EDF6ED

border

#C8D0C8

text

#091109

muted

#7B807B

Preview Lab

Preview with #288F43

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

Preview Lab → · Contrast checker → · Palette generator →