#40B791#40B791

#40B791 is a light, vivid teal. Relative luminance 0.370; OKLCH L 70.3% C 0.120 H 168.1°. Best body text is #000000 at 8.40:1 contrast (WCAG AA passes).

Color values

HEX	#40B791
RGB	rgb(64, 183, 145)
HSL	hsl(161, 48%, 48%)
HSV	hsv(161, 65%, 72%)
CMYK	cmyk(65%, 0%, 20.8%, 28.2%)
CIE-LAB	lab(67.28, -42.24, 9.71)
CIE-LCH	lch(67.28, 43.34, 167.05°)
OKLab	oklab(70.29% -0.1176 0.0249)
OKLCH	oklch(70.29% 0.12 168.1)
XYZ	xyz(24.1561, 36.9987, 32.6510)
Luminance	0.3700 (WCAG relative)
Temperature	neutral
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#40B791 #B74066

analogous

#40B755 #40B791 #40A1B7

triadic

#40B791 #9140B7 #B79140

tetradic

#40B791 #5540B7 #B74066 #A1B740

square

#40B791 #5540B7 #B74066 #A1B740

split-complementary

#40B791 #B740A1 #B75540

monochromatic

#205C49 #308A6D #40B791 #69CBAC #97DBC5

Accessibility & contrast

On white

2.50

#40B791 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

8.40

#40B791 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #40B791

8.40:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##40B791	#FFFFFF	#000000	##000000
##40B791	1.00	2.50	8.40	8.40
#FFFFFF	2.50	1.00	21.00	21.00
#000000	8.40	21.00	1.00	1.00
##000000	8.40	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#B3AB8F

Deuteranopia (green-blind)

#A29F94

Tritanopia (blue-blind)

#00B8AC

Achromatopsia (no color)

#A4A4A4

Design tokens & code

CSS

--color: #40b791;
/* rgb */ color: rgb(64, 183, 145);
/* oklch */ color: oklch(70.3% 0.120 168.1);

Tailwind

colors: {
  custom: {
    50: '#82cdb1',
    500: '#40b791',
    950: '#000000',
  },
}

SCSS

$custom: #40b791;
$custom-light: #82cdb1;
$custom-dark: #000000;

JSON

{
  "hex": "#40b791",
  "rgb": {
    "r": 64,
    "g": 183,
    "b": 145
  },
  "hsl": {
    "h": 160.84,
    "s": 48.178,
    "l": 48.431
  },
  "oklch": {
    "l": 0.70292,
    "c": 0.12022,
    "h": 168.1
  },
  "luminance": 0.37001
}

Semantic roles & 50–950 ramp

primary

#40B791

secondary

#C68D9F

accent

#507BD8

background

#F8FCFA

surface

#F0F9F5

border

#CBD2CF

text

#0C1310

muted

#7D827F

Preview Lab

Preview with #40B791

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

Preview Lab → · Contrast checker → · Palette generator →