#40B59E#40B59E

#40B59E is a light, moderate teal. Relative luminance 0.366; OKLCH L 70.2% C 0.110 H 177.4°. Best body text is #000000 at 8.32:1 contrast (WCAG AA passes).

Color values

HEX	#40B59E
RGB	rgb(64, 181, 158)
HSL	hsl(168, 48%, 48%)
HSV	hsv(168, 65%, 71%)
CMYK	cmyk(64.6%, 0%, 12.7%, 29%)
CIE-LAB	lab(66.98, -38.13, 2.13)
CIE-LCH	lch(66.98, 38.19, 176.80°)
OKLab	oklab(70.16% -0.1094 0.0051)
OKLCH	oklch(70.16% 0.11 177.4)
XYZ	xyz(24.8068, 36.6037, 38.0990)
Luminance	0.3661 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#40B59E #B54057

analogous

#40B563 #40B59E #4091B5

triadic

#40B59E #9E40B5 #B59E40

tetradic

#40B59E #6340B5 #B54057 #91B540

square

#40B59E #6340B5 #B54057 #91B540

split-complementary

#40B59E #B54091 #B56340

monochromatic

#205B4F #308877 #40B59E #68CAB7 #96DACC

Accessibility & contrast

On white

2.52

#40B59E on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

8.32

#40B59E on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #40B59E

8.32:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##40B59E	#FFFFFF	#000000	##000000
##40B59E	1.00	2.52	8.32	8.32
#FFFFFF	2.52	1.00	21.00	21.00
#000000	8.32	21.00	1.00	1.00
##000000	8.32	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#AEAA9D

Deuteranopia (green-blind)

#9D9EA0

Tritanopia (blue-blind)

#00B8AE

Achromatopsia (no color)

#A3A3A3

Design tokens & code

CSS

--color: #40b59e;
/* rgb */ color: rgb(64, 181, 158);
/* oklch */ color: oklch(70.2% 0.110 177.4);

Tailwind

colors: {
  custom: {
    50: '#83ccba',
    500: '#40b59e',
    950: '#000000',
  },
}

SCSS

$custom: #40b59e;
$custom-light: #83ccba;
$custom-dark: #000000;

JSON

{
  "hex": "#40b59e",
  "rgb": {
    "r": 64,
    "g": 181,
    "b": 158
  },
  "hsl": {
    "h": 168.205,
    "s": 47.755,
    "l": 48.039
  },
  "oklch": {
    "l": 0.70155,
    "c": 0.10953,
    "h": 177.4
  },
  "luminance": 0.36606
}

Semantic roles & 50–950 ramp

primary

#40B59E

secondary

#C58B97

accent

#506BD7

background

#F8FCFB

surface

#F0F9F6

border

#CBD2D0

text

#0C1311

muted

#7D8280

Preview Lab

Preview with #40B59E

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

Preview Lab → · Contrast checker → · Palette generator →