#40B39F#40B39F

#40B39F is a light, moderate teal. Relative luminance 0.358; OKLCH L 69.7% C 0.107 H 179.3°. Best body text is #000000 at 8.17:1 contrast (WCAG AA passes).

Color values

HEX	#40B39F
RGB	rgb(64, 179, 159)
HSL	hsl(170, 47%, 48%)
HSV	hsv(170, 64%, 70%)
CMYK	cmyk(64.2%, 0%, 11.2%, 29.8%)
CIE-LAB	lab(66.39, -36.97, 0.72)
CIE-LCH	lch(66.39, 36.97, 178.88°)
OKLab	oklab(69.68% -0.1068 0.0013)
OKLCH	oklch(69.68% 0.107 179.3)
XYZ	xyz(24.4895, 35.8307, 38.4196)
Luminance	0.3583 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#40B39F #B34054

analogous

#40B365 #40B39F #408EB3

triadic

#40B39F #9F40B3 #B39F40

tetradic

#40B39F #6540B3 #B34054 #8EB340

square

#40B39F #6540B3 #B34054 #8EB340

split-complementary

#40B39F #B3408E #B36540

monochromatic

#20594F #308677 #40B39F #67C9B8 #94D9CD

Accessibility & contrast

On white

2.57

#40B39F on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

8.17

#40B39F on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #40B39F

8.17:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##40B39F	#FFFFFF	#000000	##000000
##40B39F	1.00	2.57	8.17	8.17
#FFFFFF	2.57	1.00	21.00	21.00
#000000	8.17	21.00	1.00	1.00
##000000	8.17	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#ACA99E

Deuteranopia (green-blind)

#9B9CA1

Tritanopia (blue-blind)

#00B6AD

Achromatopsia (no color)

#A1A1A1

Design tokens & code

CSS

--color: #40b39f;
/* rgb */ color: rgb(64, 179, 159);
/* oklch */ color: oklch(69.7% 0.107 179.3);

Tailwind

colors: {
  custom: {
    50: '#82cabb',
    500: '#40b39f',
    950: '#000000',
  },
}

SCSS

$custom: #40b39f;
$custom-light: #82cabb;
$custom-dark: #000000;

JSON

{
  "hex": "#40b39f",
  "rgb": {
    "r": 64,
    "g": 179,
    "b": 159
  },
  "hsl": {
    "h": 169.565,
    "s": 47.325,
    "l": 47.647
  },
  "oklch": {
    "l": 0.69684,
    "c": 0.10684,
    "h": 179.3
  },
  "luminance": 0.35833
}

Semantic roles & 50–950 ramp

primary

#40B39F

secondary

#C48A94

accent

#5168D7

background

#F8FCFB

surface

#F0F8F6

border

#CBD1D0

text

#0C1311

muted

#7D8280

Preview Lab

Preview with #40B39F

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

Preview Lab → · Contrast checker → · Palette generator →