#288E59#288E59

#288E59 is a mid, vivid green. Relative luminance 0.205; OKLCH L 57.5% C 0.123 H 155.9°. Best body text is #000000 at 5.10:1 contrast (WCAG AA passes).

Color values

HEX	#288E59
RGB	rgb(40, 142, 89)
HSL	hsl(149, 56%, 36%)
HSV	hsv(149, 72%, 56%)
CMYK	cmyk(71.8%, 0%, 37.3%, 44.3%)
CIE-LAB	lab(52.42, -41.65, 20.09)
CIE-LCH	lch(52.42, 46.24, 154.25°)
OKLab	oklab(57.55% -0.1127 0.0504)
OKLCH	oklch(57.55% 0.123 155.9)
XYZ	xyz(12.3501, 20.5170, 12.7586)
Luminance	0.2052 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#288E59 #8E285D

analogous

#2A8E28 #288E59 #288E8C

triadic

#288E59 #59288E #8E5928

tetradic

#288E59 #282A8E #8E285D #8E8C28

square

#288E59 #282A8E #8E285D #8E8C28

split-complementary

#288E59 #8C288E #8E282A

monochromatic

#0D2F1D #1B5E3B #288E59 #35BE77 #5FD296

Accessibility & contrast

On white

4.11

#288E59 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.10

#288E59 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #288E59

5.10:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##288E59	#FFFFFF	#000000	##000000
##288E59	1.00	4.11	5.10	5.10
#FFFFFF	4.11	1.00	21.00	21.00
#000000	5.10	21.00	1.00	1.00
##000000	5.10	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#8D8256

Deuteranopia (green-blind)

#81795C

Tritanopia (blue-blind)

#008D80

Achromatopsia (no color)

#7D7D7D

Design tokens & code

CSS

--color: #288e59;
/* rgb */ color: rgb(40, 142, 89);
/* oklch */ color: oklch(57.5% 0.123 155.9);

Tailwind

colors: {
  custom: {
    50: '#70b088',
    500: '#288e59',
    950: '#000000',
  },
}

SCSS

$custom: #288e59;
$custom-light: #70b088;
$custom-dark: #000000;

JSON

{
  "hex": "#288e59",
  "rgb": {
    "r": 40,
    "g": 142,
    "b": 89
  },
  "hsl": {
    "h": 148.824,
    "s": 56.044,
    "l": 35.686
  },
  "oklch": {
    "l": 0.57549,
    "c": 0.12343,
    "h": 155.9
  },
  "luminance": 0.20518
}

Semantic roles & 50–950 ramp

primary

#288E59

secondary

#B75B8B

accent

#4897DF

background

#F7FAF8

surface

#EDF5F0

border

#C8CFCB

text

#08100B

muted

#7B7F7C

Preview Lab

Preview with #288E59

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

Preview Lab → · Contrast checker → · Palette generator →