#288B59#288B59

#288B59 is a mid, moderate green. Relative luminance 0.196; OKLCH L 56.7% C 0.119 H 156.7°. Best body text is #000000 at 4.93:1 contrast (WCAG AA passes).

Color values

HEX	#288B59
RGB	rgb(40, 139, 89)
HSL	hsl(150, 55%, 35%)
HSV	hsv(150, 71%, 55%)
CMYK	cmyk(71.2%, 0%, 36%, 45.5%)
CIE-LAB	lab(51.42, -40.42, 18.76)
CIE-LCH	lch(51.42, 44.56, 155.11°)
OKLab	oklab(56.73% -0.1095 0.0472)
OKLCH	oklch(56.73% 0.119 156.7)
XYZ	xyz(11.9097, 19.6363, 12.6118)
Luminance	0.1964 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#288B59 #8B285A

analogous

#298B28 #288B59 #288B8A

triadic

#288B59 #59288B #8B5928

tetradic

#288B59 #28298B #8B285A #8B8A28

square

#288B59 #28298B #8B285A #8B8A28

split-complementary

#288B59 #8A288B #8B2829

monochromatic

#0D2C1C #1A5B3B #288B59 #36BB77 #5DD096

Accessibility & contrast

On white

4.26

#288B59 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.93

#288B59 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #288B59

4.93:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##288B59	#FFFFFF	#000000	##000000
##288B59	1.00	4.26	4.93	4.93
#FFFFFF	4.26	1.00	21.00	21.00
#000000	4.93	21.00	1.00	1.00
##000000	4.93	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#8A8056

Deuteranopia (green-blind)

#7E775C

Tritanopia (blue-blind)

#008A7E

Achromatopsia (no color)

#7B7B7B

Design tokens & code

CSS

--color: #288b59;
/* rgb */ color: rgb(40, 139, 89);
/* oklch */ color: oklch(56.7% 0.119 156.7);

Tailwind

colors: {
  custom: {
    50: '#70ae88',
    500: '#288b59',
    950: '#000000',
  },
}

SCSS

$custom: #288b59;
$custom-light: #70ae88;
$custom-dark: #000000;

JSON

{
  "hex": "#288b59",
  "rgb": {
    "r": 40,
    "g": 139,
    "b": 89
  },
  "hsl": {
    "h": 149.697,
    "s": 55.307,
    "l": 35.098
  },
  "oklch": {
    "l": 0.56732,
    "c": 0.11923,
    "h": 156.7
  },
  "luminance": 0.19638
}

Semantic roles & 50–950 ramp

primary

#288B59

secondary

#B65988

accent

#4995DF

background

#F7FAF8

surface

#EDF4EF

border

#C8CECA

text

#08100B

muted

#7B7F7C

Preview Lab

Preview with #288B59

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

Preview Lab → · Contrast checker → · Palette generator →