#288E53#288E53

#288E53 is a mid, vivid green. Relative luminance 0.204; OKLCH L 57.4% C 0.129 H 153.4°. Best body text is #000000 at 5.08:1 contrast (WCAG AA passes).

Color values

HEX	#288E53
RGB	rgb(40, 142, 83)
HSL	hsl(145, 56%, 36%)
HSV	hsv(145, 72%, 56%)
CMYK	cmyk(71.8%, 0%, 41.5%, 44.3%)
CIE-LAB	lab(52.31, -42.85, 23.28)
CIE-LCH	lch(52.31, 48.76, 151.49°)
OKLab	oklab(57.43% -0.1156 0.0578)
OKLCH	oklch(57.43% 0.129 153.4)
XYZ	xyz(12.1083, 20.4203, 11.4853)
Luminance	0.2042 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#288E53 #8E2863

analogous

#308E28 #288E53 #288E86

triadic

#288E53 #53288E #8E5328

tetradic

#288E53 #28308E #8E2863 #8E8628

square

#288E53 #28308E #8E2863 #8E8628

split-complementary

#288E53 #86288E #8E2830

monochromatic

#0D2F1B #1B5E37 #288E53 #35BE6F #5FD28F

Accessibility & contrast

On white

4.13

#288E53 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.08

#288E53 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #288E53

5.08:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##288E53	#FFFFFF	#000000	##000000
##288E53	1.00	4.13	5.08	5.08
#FFFFFF	4.13	1.00	21.00	21.00
#000000	5.08	21.00	1.00	1.00
##000000	5.08	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#8E824F

Deuteranopia (green-blind)

#817957

Tritanopia (blue-blind)

#008C7F

Achromatopsia (no color)

#7D7D7D

Design tokens & code

CSS

--color: #288e53;
/* rgb */ color: rgb(40, 142, 83);
/* oklch */ color: oklch(57.4% 0.129 153.4);

Tailwind

colors: {
  custom: {
    50: '#70b084',
    500: '#288e53',
    950: '#000000',
  },
}

SCSS

$custom: #288e53;
$custom-light: #70b084;
$custom-dark: #000000;

JSON

{
  "hex": "#288e53",
  "rgb": {
    "r": 40,
    "g": 142,
    "b": 83
  },
  "hsl": {
    "h": 145.294,
    "s": 56.044,
    "l": 35.686
  },
  "oklch": {
    "l": 0.57425,
    "c": 0.12925,
    "h": 153.4
  },
  "luminance": 0.20422
}

Semantic roles & 50–950 ramp

primary

#288E53

secondary

#B75B90

accent

#48A0DF

background

#F7FAF8

surface

#EDF5EF

border

#C8CFCA

text

#08100B

muted

#7B7F7C

Preview Lab

Preview with #288E53

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

Preview Lab → · Contrast checker → · Palette generator →