#288E50#288E50

#288E50 is a mid, vivid green. Relative luminance 0.204; OKLCH L 57.4% C 0.132 H 152.3°. Best body text is #000000 at 5.08:1 contrast (WCAG AA passes).

Color values

HEX	#288E50
RGB	rgb(40, 142, 80)
HSL	hsl(144, 56%, 36%)
HSV	hsv(144, 72%, 56%)
CMYK	cmyk(71.8%, 0%, 43.7%, 44.3%)
CIE-LAB	lab(52.26, -43.42, 24.85)
CIE-LCH	lch(52.26, 50.03, 150.21°)
OKLab	oklab(57.37% -0.117 0.0615)
OKLCH	oklch(57.37% 0.132 152.3)
XYZ	xyz(11.9950, 20.3750, 10.8885)
Luminance	0.2038 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#288E50 #8E2866

analogous

#338E28 #288E50 #288E83

triadic

#288E50 #50288E #8E5028

tetradic

#288E50 #28338E #8E2866 #8E8328

square

#288E50 #28338E #8E2866 #8E8328

split-complementary

#288E50 #83288E #8E2833

monochromatic

#0D2F1A #1B5E35 #288E50 #35BE6B #5FD28C

Accessibility & contrast

On white

4.14

#288E50 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.08

#288E50 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #288E50

5.08:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##288E50	#FFFFFF	#000000	##000000
##288E50	1.00	4.14	5.08	5.08
#FFFFFF	4.14	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)

#8E824B

Deuteranopia (green-blind)

#827954

Tritanopia (blue-blind)

#008C7F

Achromatopsia (no color)

#7D7D7D

Design tokens & code

CSS

--color: #288e50;
/* rgb */ color: rgb(40, 142, 80);
/* oklch */ color: oklch(57.4% 0.132 152.3);

Tailwind

colors: {
  custom: {
    50: '#70b082',
    500: '#288e50',
    950: '#000000',
  },
}

SCSS

$custom: #288e50;
$custom-light: #70b082;
$custom-dark: #000000;

JSON

{
  "hex": "#288e50",
  "rgb": {
    "r": 40,
    "g": 142,
    "b": 80
  },
  "hsl": {
    "h": 143.529,
    "s": 56.044,
    "l": 35.686
  },
  "oklch": {
    "l": 0.57367,
    "c": 0.13218,
    "h": 152.3
  },
  "luminance": 0.20376
}

Semantic roles & 50–950 ramp

primary

#288E50

secondary

#B75B93

accent

#48A4DF

background

#F7FAF7

surface

#EDF5EE

border

#C8CFC9

text

#08110A

muted

#7B807C

Preview Lab

Preview with #288E50

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

Preview Lab → · Contrast checker → · Palette generator →