#288E45#288E45

#288E45 is a mid, vivid green. Relative luminance 0.202; OKLCH L 57.2% C 0.143 H 148.8°. Best body text is #000000 at 5.05:1 contrast (WCAG AA passes).

Color values

HEX	#288E45
RGB	rgb(40, 142, 69)
HSL	hsl(137, 56%, 36%)
HSV	hsv(137, 72%, 56%)
CMYK	cmyk(71.8%, 0%, 51.4%, 44.3%)
CIE-LAB	lab(52.09, -45.33, 30.53)
CIE-LCH	lch(52.09, 54.66, 146.04°)
OKLab	oklab(57.17% -0.1221 0.074)
OKLCH	oklch(57.17% 0.143 148.8)
XYZ	xyz(11.6214, 20.2255, 8.9205)
Luminance	0.2023 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#288E45 #8E2871

analogous

#3E8E28 #288E45 #288E78

triadic

#288E45 #45288E #8E4528

tetradic

#288E45 #283E8E #8E2871 #8E7828

square

#288E45 #283E8E #8E2871 #8E7828

split-complementary

#288E45 #78288E #8E283E

monochromatic

#0D2F17 #1B5E2E #288E45 #35BE5C #5FD27F

Accessibility & contrast

On white

4.16

#288E45 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.05

#288E45 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #288E45

5.05:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##288E45	#FFFFFF	#000000	##000000
##288E45	1.00	4.16	5.05	5.05
#FFFFFF	4.16	1.00	21.00	21.00
#000000	5.05	21.00	1.00	1.00
##000000	5.05	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#8F813F

Deuteranopia (green-blind)

#83794A

Tritanopia (blue-blind)

#008B7D

Achromatopsia (no color)

#7C7C7C

Design tokens & code

CSS

--color: #288e45;
/* rgb */ color: rgb(40, 142, 69);
/* oklch */ color: oklch(57.2% 0.143 148.8);

Tailwind

colors: {
  custom: {
    50: '#71b07a',
    500: '#288e45',
    950: '#000000',
  },
}

SCSS

$custom: #288e45;
$custom-light: #71b07a;
$custom-dark: #000000;

JSON

{
  "hex": "#288e45",
  "rgb": {
    "r": 40,
    "g": 142,
    "b": 69
  },
  "hsl": {
    "h": 137.059,
    "s": 56.044,
    "l": 35.686
  },
  "oklch": {
    "l": 0.57174,
    "c": 0.14274,
    "h": 148.8
  },
  "luminance": 0.20227
}

Semantic roles & 50–950 ramp

primary

#288E45

secondary

#B75B9D

accent

#48B4DF

background

#F7FAF7

surface

#EDF5EE

border

#C8CFC9

text

#091109

muted

#7B807B

Preview Lab

Preview with #288E45

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

Preview Lab → · Contrast checker → · Palette generator →