#40B59A#40B59A

#40B59A is a light, moderate teal. Relative luminance 0.365; OKLCH L 70.0% C 0.112 H 174.6°. Best body text is #000000 at 8.29:1 contrast (WCAG AA passes).

Color values

HEX	#40B59A
RGB	rgb(64, 181, 154)
HSL	hsl(166, 48%, 48%)
HSV	hsv(166, 65%, 71%)
CMYK	cmyk(64.6%, 0%, 14.9%, 29%)
CIE-LAB	lab(66.88, -39.15, 4.19)
CIE-LCH	lch(66.88, 39.38, 173.89°)
OKLab	oklab(70.04% -0.1113 0.0105)
OKLCH	oklch(70.04% 0.112 174.6)
XYZ	xyz(24.4681, 36.4682, 36.3151)
Luminance	0.3647 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#40B59A #B5405B

analogous

#40B55F #40B59A #4095B5

triadic

#40B59A #9A40B5 #B59A40

tetradic

#40B59A #5F40B5 #B5405B #95B540

square

#40B59A #5F40B5 #B5405B #95B540

split-complementary

#40B59A #B54095 #B55F40

monochromatic

#205B4D #308874 #40B59A #68CAB3 #96DACA

Accessibility & contrast

On white

2.53

#40B59A on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

8.29

#40B59A on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #40B59A

8.29:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##40B59A	#FFFFFF	#000000	##000000
##40B59A	1.00	2.53	8.29	8.29
#FFFFFF	2.53	1.00	21.00	21.00
#000000	8.29	21.00	1.00	1.00
##000000	8.29	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#AFAA99

Deuteranopia (green-blind)

#9E9E9C

Tritanopia (blue-blind)

#00B7AD

Achromatopsia (no color)

#A3A3A3

Design tokens & code

CSS

--color: #40b59a;
/* rgb */ color: rgb(64, 181, 154);
/* oklch */ color: oklch(70.0% 0.112 174.6);

Tailwind

colors: {
  custom: {
    50: '#82ccb7',
    500: '#40b59a',
    950: '#000000',
  },
}

SCSS

$custom: #40b59a;
$custom-light: #82ccb7;
$custom-dark: #000000;

JSON

{
  "hex": "#40b59a",
  "rgb": {
    "r": 64,
    "g": 181,
    "b": 154
  },
  "hsl": {
    "h": 166.154,
    "s": 47.755,
    "l": 48.039
  },
  "oklch": {
    "l": 0.70037,
    "c": 0.11176,
    "h": 174.6
  },
  "luminance": 0.36471
}

Semantic roles & 50–950 ramp

primary

#40B59A

secondary

#C58B99

accent

#5070D7

background

#F8FCFB

surface

#F0F9F6

border

#CBD2D0

text

#0C1311

muted

#7D8280

Preview Lab

Preview with #40B59A

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

Preview Lab → · Contrast checker → · Palette generator →