#288E40#288E40

#288E40 is a mid, vivid green. Relative luminance 0.202; OKLCH L 57.1% C 0.147 H 147.5°. Best body text is #000000 at 5.03:1 contrast (WCAG AA passes).

Color values

HEX	#288E40
RGB	rgb(40, 142, 64)
HSL	hsl(134, 56%, 36%)
HSV	hsv(134, 72%, 56%)
CMYK	cmyk(71.8%, 0%, 54.9%, 44.3%)
CIE-LAB	lab(52.02, -46.11, 33.04)
CIE-LCH	lch(52.02, 56.72, 144.37°)
OKLab	oklab(57.1% -0.1242 0.0793)
OKLCH	oklch(57.1% 0.147 147.5)
XYZ	xyz(11.4726, 20.1660, 8.1373)
Luminance	0.2017 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#288E40 #8E2876

analogous

#438E28 #288E40 #288E73

triadic

#288E40 #40288E #8E4028

tetradic

#288E40 #28438E #8E2876 #8E7328

square

#288E40 #28438E #8E2876 #8E7328

split-complementary

#288E40 #73288E #8E2843

monochromatic

#0D2F15 #1B5E2A #288E40 #35BE56 #5FD27A

Accessibility & contrast

On white

4.17

#288E40 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.03

#288E40 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #288E40

5.03:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##288E40	#FFFFFF	#000000	##000000
##288E40	1.00	4.17	5.03	5.03
#FFFFFF	4.17	1.00	21.00	21.00
#000000	5.03	21.00	1.00	1.00
##000000	5.03	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#908139

Deuteranopia (green-blind)

#847946

Tritanopia (blue-blind)

#008B7C

Achromatopsia (no color)

#7C7C7C

Design tokens & code

CSS

--color: #288e40;
/* rgb */ color: rgb(40, 142, 64);
/* oklch */ color: oklch(57.1% 0.147 147.5);

Tailwind

colors: {
  custom: {
    50: '#71b077',
    500: '#288e40',
    950: '#000000',
  },
}

SCSS

$custom: #288e40;
$custom-light: #71b077;
$custom-dark: #000000;

JSON

{
  "hex": "#288e40",
  "rgb": {
    "r": 40,
    "g": 142,
    "b": 64
  },
  "hsl": {
    "h": 134.118,
    "s": 56.044,
    "l": 35.686
  },
  "oklch": {
    "l": 0.57098,
    "c": 0.14738,
    "h": 147.5
  },
  "luminance": 0.20167
}

Semantic roles & 50–950 ramp

primary

#288E40

secondary

#B75BA1

accent

#48BCDF

background

#F7FAF7

surface

#EDF5ED

border

#C8CFC8

text

#091109

muted

#7B807B

Preview Lab

Preview with #288E40

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

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