#288F45#288F45

#288F45 is a mid, vivid green. Relative luminance 0.205; OKLCH L 57.5% C 0.144 H 148.7°. Best body text is #000000 at 5.11:1 contrast (WCAG AA passes).

Color values

HEX	#288F45
RGB	rgb(40, 143, 69)
HSL	hsl(137, 56%, 36%)
HSV	hsv(137, 72%, 56%)
CMYK	cmyk(72%, 0%, 51.7%, 43.9%)
CIE-LAB	lab(52.42, -45.71, 30.95)
CIE-LCH	lch(52.42, 55.20, 145.90°)
OKLab	oklab(57.45% -0.1231 0.0749)
OKLCH	oklch(57.45% 0.144 148.7)
XYZ	xyz(11.7708, 20.5244, 8.9703)
Luminance	0.2053 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#288F45 #8F2872

analogous

#3E8F28 #288F45 #288F78

triadic

#288F45 #45288F #8F4528

tetradic

#288F45 #283E8F #8F2872 #8F7828

square

#288F45 #283E8F #8F2872 #8F7828

split-complementary

#288F45 #78288F #8F283E

monochromatic

#0D2F17 #1B5F2E #288F45 #35BF5C #5FD280

Accessibility & contrast

On white

4.11

#288F45 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.11

#288F45 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #288F45

5.11:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##288F45	#FFFFFF	#000000	##000000
##288F45	1.00	4.11	5.11	5.11
#FFFFFF	4.11	1.00	21.00	21.00
#000000	5.11	21.00	1.00	1.00
##000000	5.11	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#90823F

Deuteranopia (green-blind)

#847A4A

Tritanopia (blue-blind)

#008C7E

Achromatopsia (no color)

#7D7D7D

Design tokens & code

CSS

--color: #288f45;
/* rgb */ color: rgb(40, 143, 69);
/* oklch */ color: oklch(57.5% 0.144 148.7);

Tailwind

colors: {
  custom: {
    50: '#71b17a',
    500: '#288f45',
    950: '#000000',
  },
}

SCSS

$custom: #288f45;
$custom-light: #71b17a;
$custom-dark: #000000;

JSON

{
  "hex": "#288f45",
  "rgb": {
    "r": 40,
    "g": 143,
    "b": 69
  },
  "hsl": {
    "h": 136.893,
    "s": 56.284,
    "l": 35.882
  },
  "oklch": {
    "l": 0.5745,
    "c": 0.14409,
    "h": 148.7
  },
  "luminance": 0.20526
}

Semantic roles & 50–950 ramp

primary

#288F45

secondary

#B85B9E

accent

#48B5E0

background

#F7FBF7

surface

#EDF6EE

border

#C8D0C9

text

#091109

muted

#7B807B

Preview Lab

Preview with #288F45

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

Preview Lab → · Contrast checker → · Palette generator →