#40AD99#40AD99

#40AD99 is a light, moderate teal. Relative luminance 0.333; OKLCH L 68.0% C 0.103 H 178.7°. Best body text is #000000 at 7.66:1 contrast (WCAG AA passes).

Color values

HEX	#40AD99
RGB	rgb(64, 173, 153)
HSL	hsl(169, 46%, 46%)
HSV	hsv(169, 63%, 68%)
CMYK	cmyk(63%, 0%, 11.6%, 32.2%)
CIE-LAB	lab(64.38, -35.78, 1.13)
CIE-LCH	lch(64.38, 35.80, 178.19°)
OKLab	oklab(68% -0.1032 0.0024)
OKLCH	oklch(68% 0.103 178.7)
XYZ	xyz(22.8050, 33.2746, 35.3516)
Luminance	0.3328 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#40AD99 #AD4054

analogous

#40AD63 #40AD99 #408BAD

triadic

#40AD99 #9940AD #AD9940

tetradic

#40AD99 #6340AD #AD4054 #8BAD40

square

#40AD99 #6340AD #AD4054 #8BAD40

split-complementary

#40AD99 #AD408B #AD6340

monochromatic

#1F544A #2F8071 #40AD99 #64C6B4 #91D6CA

Accessibility & contrast

On white

2.74

#40AD99 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.66

#40AD99 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #40AD99

7.66:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##40AD99	#FFFFFF	#000000	##000000
##40AD99	1.00	2.74	7.66	7.66
#FFFFFF	2.74	1.00	21.00	21.00
#000000	7.66	21.00	1.00	1.00
##000000	7.66	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#A6A398

Deuteranopia (green-blind)

#96979B

Tritanopia (blue-blind)

#00B0A7

Achromatopsia (no color)

#9C9C9C

Design tokens & code

CSS

--color: #40ad99;
/* rgb */ color: rgb(64, 173, 153);
/* oklch */ color: oklch(68.0% 0.103 178.7);

Tailwind

colors: {
  custom: {
    50: '#81c6b7',
    500: '#40ad99',
    950: '#000000',
  },
}

SCSS

$custom: #40ad99;
$custom-light: #81c6b7;
$custom-dark: #000000;

JSON

{
  "hex": "#40ad99",
  "rgb": {
    "r": 64,
    "g": 173,
    "b": 153
  },
  "hsl": {
    "h": 168.991,
    "s": 45.992,
    "l": 46.471
  },
  "oklch": {
    "l": 0.67997,
    "c": 0.10323,
    "h": 178.7
  },
  "luminance": 0.33277
}

Semantic roles & 50–950 ramp

primary

#40AD99

secondary

#C28792

accent

#526AD6

background

#F8FCFB

surface

#F0F8F6

border

#CBD1D0

text

#0B1311

muted

#7C8280

Preview Lab

Preview with #40AD99

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

Preview Lab → · Contrast checker → · Palette generator →