#288F54#288F54

#288F54 is a mid, vivid green. Relative luminance 0.207; OKLCH L 57.7% C 0.130 H 153.6°. Best body text is #000000 at 5.15:1 contrast (WCAG AA passes).

Color values

HEX	#288F54
RGB	rgb(40, 143, 84)
HSL	hsl(146, 56%, 36%)
HSV	hsv(146, 72%, 56%)
CMYK	cmyk(72%, 0%, 41.3%, 43.9%)
CIE-LAB	lab(52.66, -43.06, 23.18)
CIE-LCH	lch(52.66, 48.90, 151.70°)
OKLab	oklab(57.72% -0.1162 0.0577)
OKLCH	oklch(57.72% 0.13 153.6)
XYZ	xyz(12.2967, 20.7348, 11.7399)
Luminance	0.2074 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#288F54 #8F2863

analogous

#2F8F28 #288F54 #288F87

triadic

#288F54 #54288F #8F5428

tetradic

#288F54 #282F8F #8F2863 #8F8728

square

#288F54 #282F8F #8F2863 #8F8728

split-complementary

#288F54 #87288F #8F282F

monochromatic

#0D2F1C #1B5F38 #288F54 #35BF70 #5FD290

Accessibility & contrast

On white

4.08

#288F54 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.15

#288F54 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #288F54

5.15:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##288F54	#FFFFFF	#000000	##000000
##288F54	1.00	4.08	5.15	5.15
#FFFFFF	4.08	1.00	21.00	21.00
#000000	5.15	21.00	1.00	1.00
##000000	5.15	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#8F8350

Deuteranopia (green-blind)

#827A58

Tritanopia (blue-blind)

#008D80

Achromatopsia (no color)

#7E7E7E

Design tokens & code

CSS

--color: #288f54;
/* rgb */ color: rgb(40, 143, 84);
/* oklch */ color: oklch(57.7% 0.130 153.6);

Tailwind

colors: {
  custom: {
    50: '#71b184',
    500: '#288f54',
    950: '#000000',
  },
}

SCSS

$custom: #288f54;
$custom-light: #71b184;
$custom-dark: #000000;

JSON

{
  "hex": "#288f54",
  "rgb": {
    "r": 40,
    "g": 143,
    "b": 84
  },
  "hsl": {
    "h": 145.631,
    "s": 56.284,
    "l": 35.882
  },
  "oklch": {
    "l": 0.57719,
    "c": 0.12968,
    "h": 153.6
  },
  "luminance": 0.20736
}

Semantic roles & 50–950 ramp

primary

#288F54

secondary

#B85B90

accent

#489FE0

background

#F7FBF8

surface

#EDF6EF

border

#C8D0CA

text

#09110B

muted

#7B807C

Preview Lab

Preview with #288F54

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

Preview Lab → · Contrast checker → · Palette generator →