#40B59F#40B59F

#40B59F is a light, moderate teal. Relative luminance 0.366; OKLCH L 70.2% C 0.109 H 178.1°. Best body text is #000000 at 8.33:1 contrast (WCAG AA passes).

Color values

HEX	#40B59F
RGB	rgb(64, 181, 159)
HSL	hsl(169, 48%, 48%)
HSV	hsv(169, 65%, 71%)
CMYK	cmyk(64.6%, 0%, 12.2%, 29%)
CIE-LAB	lab(67.00, -37.88, 1.62)
CIE-LCH	lch(67.00, 37.91, 177.55°)
OKLab	oklab(70.19% -0.1089 0.0037)
OKLCH	oklch(70.19% 0.109 178.1)
XYZ	xyz(24.8933, 36.6382, 38.5541)
Luminance	0.3664 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#40B59F #B54056

analogous

#40B564 #40B59F #4090B5

triadic

#40B59F #9F40B5 #B59F40

tetradic

#40B59F #6440B5 #B54056 #90B540

square

#40B59F #6440B5 #B54056 #90B540

split-complementary

#40B59F #B54090 #B56440

monochromatic

#205B50 #308877 #40B59F #68CAB7 #96DACD

Accessibility & contrast

On white

2.52

#40B59F on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

8.33

#40B59F on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #40B59F

8.33:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##40B59F	#FFFFFF	#000000	##000000
##40B59F	1.00	2.52	8.33	8.33
#FFFFFF	2.52	1.00	21.00	21.00
#000000	8.33	21.00	1.00	1.00
##000000	8.33	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#AEAA9E

Deuteranopia (green-blind)

#9D9EA1

Tritanopia (blue-blind)

#00B8AE

Achromatopsia (no color)

#A3A3A3

Design tokens & code

CSS

--color: #40b59f;
/* rgb */ color: rgb(64, 181, 159);
/* oklch */ color: oklch(70.2% 0.109 178.1);

Tailwind

colors: {
  custom: {
    50: '#83ccbb',
    500: '#40b59f',
    950: '#000000',
  },
}

SCSS

$custom: #40b59f;
$custom-light: #83ccbb;
$custom-dark: #000000;

JSON

{
  "hex": "#40b59f",
  "rgb": {
    "r": 64,
    "g": 181,
    "b": 159
  },
  "hsl": {
    "h": 168.718,
    "s": 47.755,
    "l": 48.039
  },
  "oklch": {
    "l": 0.70185,
    "c": 0.109,
    "h": 178.1
  },
  "luminance": 0.36641
}

Semantic roles & 50–950 ramp

primary

#40B59F

secondary

#C58B96

accent

#506AD7

background

#F8FCFB

surface

#F0F9F6

border

#CBD2D0

text

#0C1311

muted

#7D8280

Preview Lab

Preview with #40B59F

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

Preview Lab → · Contrast checker → · Palette generator →