#40B596#40B596

#40B596 is a light, moderate teal. Relative luminance 0.363; OKLCH L 69.9% C 0.114 H 172.0°. Best body text is #000000 at 8.27:1 contrast (WCAG AA passes).

Color values

HEX	#40B596
RGB	rgb(64, 181, 150)
HSL	hsl(164, 48%, 48%)
HSV	hsv(164, 65%, 71%)
CMYK	cmyk(64.6%, 0%, 17.1%, 29%)
CIE-LAB	lab(66.78, -40.15, 6.25)
CIE-LCH	lch(66.78, 40.63, 171.15°)
OKLab	oklab(69.92% -0.1131 0.0159)
OKLCH	oklch(69.92% 0.114 172)
XYZ	xyz(24.1405, 36.3371, 34.5898)
Luminance	0.3634 (WCAG relative)
Temperature	neutral
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#40B596 #B5405F

analogous

#40B55C #40B596 #4099B5

triadic

#40B596 #9640B5 #B59640

tetradic

#40B596 #5C40B5 #B5405F #99B540

square

#40B596 #5C40B5 #B5405F #99B540

split-complementary

#40B596 #B54099 #B55C40

monochromatic

#205B4B #308871 #40B596 #68CAB0 #96DAC8

Accessibility & contrast

On white

2.54

#40B596 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

8.27

#40B596 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #40B596

8.27:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##40B596	#FFFFFF	#000000	##000000
##40B596	1.00	2.54	8.27	8.27
#FFFFFF	2.54	1.00	21.00	21.00
#000000	8.27	21.00	1.00	1.00
##000000	8.27	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#B0AA95

Deuteranopia (green-blind)

#9F9E98

Tritanopia (blue-blind)

#00B7AC

Achromatopsia (no color)

#A2A2A2

Design tokens & code

CSS

--color: #40b596;
/* rgb */ color: rgb(64, 181, 150);
/* oklch */ color: oklch(69.9% 0.114 172.0);

Tailwind

colors: {
  custom: {
    50: '#82ccb4',
    500: '#40b596',
    950: '#000000',
  },
}

SCSS

$custom: #40b596;
$custom-light: #82ccb4;
$custom-dark: #000000;

JSON

{
  "hex": "#40b596",
  "rgb": {
    "r": 64,
    "g": 181,
    "b": 150
  },
  "hsl": {
    "h": 164.103,
    "s": 47.755,
    "l": 48.039
  },
  "oklch": {
    "l": 0.69923,
    "c": 0.11426,
    "h": 172
  },
  "luminance": 0.3634
}

Semantic roles & 50–950 ramp

primary

#40B596

secondary

#C58B9B

accent

#5074D7

background

#F8FCFB

surface

#F0F9F6

border

#CBD2D0

text

#0C1311

muted

#7D8280

Preview Lab

Preview with #40B596

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

Preview Lab → · Contrast checker → · Palette generator →