#288E54#288E54

#288E54 is a mid, vivid green. Relative luminance 0.204; OKLCH L 57.4% C 0.128 H 153.8°. Best body text is #000000 at 5.09:1 contrast (WCAG AA passes).

Color values

HEX	#288E54
RGB	rgb(40, 142, 84)
HSL	hsl(146, 56%, 36%)
HSV	hsv(146, 72%, 56%)
CMYK	cmyk(71.8%, 0%, 40.8%, 44.3%)
CIE-LAB	lab(52.33, -42.66, 22.75)
CIE-LCH	lch(52.33, 48.34, 151.93°)
OKLab	oklab(57.45% -0.1151 0.0566)
OKLCH	oklch(57.45% 0.128 153.8)
XYZ	xyz(12.1472, 20.4359, 11.6901)
Luminance	0.2044 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#288E54 #8E2862

analogous

#2F8E28 #288E54 #288E87

triadic

#288E54 #54288E #8E5428

tetradic

#288E54 #282F8E #8E2862 #8E8728

square

#288E54 #282F8E #8E2862 #8E8728

split-complementary

#288E54 #87288E #8E282F

monochromatic

#0D2F1C #1B5E38 #288E54 #35BE70 #5FD290

Accessibility & contrast

On white

4.13

#288E54 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.09

#288E54 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #288E54

5.09:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##288E54	#FFFFFF	#000000	##000000
##288E54	1.00	4.13	5.09	5.09
#FFFFFF	4.13	1.00	21.00	21.00
#000000	5.09	21.00	1.00	1.00
##000000	5.09	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#8E8250

Deuteranopia (green-blind)

#817958

Tritanopia (blue-blind)

#008C80

Achromatopsia (no color)

#7D7D7D

Design tokens & code

CSS

--color: #288e54;
/* rgb */ color: rgb(40, 142, 84);
/* oklch */ color: oklch(57.4% 0.128 153.8);

Tailwind

colors: {
  custom: {
    50: '#70b084',
    500: '#288e54',
    950: '#000000',
  },
}

SCSS

$custom: #288e54;
$custom-light: #70b084;
$custom-dark: #000000;

JSON

{
  "hex": "#288e54",
  "rgb": {
    "r": 40,
    "g": 142,
    "b": 84
  },
  "hsl": {
    "h": 145.882,
    "s": 56.044,
    "l": 35.686
  },
  "oklch": {
    "l": 0.57445,
    "c": 0.12828,
    "h": 153.8
  },
  "luminance": 0.20437
}

Semantic roles & 50–950 ramp

primary

#288E54

secondary

#B75B8F

accent

#489EDF

background

#F7FAF8

surface

#EDF5EF

border

#C8CFCA

text

#08100B

muted

#7B7F7C

Preview Lab

Preview with #288E54

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

Preview Lab → · Contrast checker → · Palette generator →