#40B59B#40B59B

#40B59B is a light, moderate teal. Relative luminance 0.365; OKLCH L 70.1% C 0.111 H 175.3°. Best body text is #000000 at 8.30:1 contrast (WCAG AA passes).

Color values

HEX	#40B59B
RGB	rgb(64, 181, 155)
HSL	hsl(167, 48%, 48%)
HSV	hsv(167, 65%, 71%)
CMYK	cmyk(64.6%, 0%, 14.4%, 29%)
CIE-LAB	lab(66.90, -38.90, 3.68)
CIE-LCH	lch(66.90, 39.07, 174.60°)
OKLab	oklab(70.07% -0.1108 0.0091)
OKLCH	oklch(70.07% 0.111 175.3)
XYZ	xyz(24.5518, 36.5016, 36.7556)
Luminance	0.3650 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#40B59B #B5405A

analogous

#40B561 #40B59B #4094B5

triadic

#40B59B #9B40B5 #B59B40

tetradic

#40B59B #6140B5 #B5405A #94B540

square

#40B59B #6140B5 #B5405A #94B540

split-complementary

#40B59B #B54094 #B56140

monochromatic

#205B4E #308874 #40B59B #68CAB4 #96DACB

Accessibility & contrast

On white

2.53

#40B59B on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

8.30

#40B59B on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #40B59B

8.30:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##40B59B	#FFFFFF	#000000	##000000
##40B59B	1.00	2.53	8.30	8.30
#FFFFFF	2.53	1.00	21.00	21.00
#000000	8.30	21.00	1.00	1.00
##000000	8.30	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#AFAA9A

Deuteranopia (green-blind)

#9E9E9D

Tritanopia (blue-blind)

#00B7AD

Achromatopsia (no color)

#A3A3A3

Design tokens & code

CSS

--color: #40b59b;
/* rgb */ color: rgb(64, 181, 155);
/* oklch */ color: oklch(70.1% 0.111 175.3);

Tailwind

colors: {
  custom: {
    50: '#82ccb8',
    500: '#40b59b',
    950: '#000000',
  },
}

SCSS

$custom: #40b59b;
$custom-light: #82ccb8;
$custom-dark: #000000;

JSON

{
  "hex": "#40b59b",
  "rgb": {
    "r": 64,
    "g": 181,
    "b": 155
  },
  "hsl": {
    "h": 166.667,
    "s": 47.755,
    "l": 48.039
  },
  "oklch": {
    "l": 0.70066,
    "c": 0.11119,
    "h": 175.3
  },
  "luminance": 0.36504
}

Semantic roles & 50–950 ramp

primary

#40B59B

secondary

#C58B98

accent

#506ED7

background

#F8FCFB

surface

#F0F9F6

border

#CBD2D0

text

#0C1311

muted

#7D8280

Preview Lab

Preview with #40B59B

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

Preview Lab → · Contrast checker → · Palette generator →