#40AB99#40AB99

#40AB99 is a light, moderate teal. Relative luminance 0.325; OKLCH L 67.5% C 0.101 H 180.0°. Best body text is #000000 at 7.50:1 contrast (WCAG AA passes).

Color values

HEX	#40AB99
RGB	rgb(64, 171, 153)
HSL	hsl(170, 46%, 46%)
HSV	hsv(170, 63%, 67%)
CMYK	cmyk(62.6%, 0%, 10.5%, 32.9%)
CIE-LAB	lab(63.76, -34.86, 0.23)
CIE-LCH	lch(63.76, 34.86, 179.62°)
OKLab	oklab(67.5% -0.101 0)
OKLCH	oklch(67.5% 0.101 180)
XYZ	xyz(22.4244, 32.5133, 35.2247)
Luminance	0.3252 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#40AB99 #AB4052

analogous

#40AB63 #40AB99 #4087AB

triadic

#40AB99 #9940AB #AB9940

tetradic

#40AB99 #6340AB #AB4052 #87AB40

square

#40AB99 #6340AB #AB4052 #87AB40

split-complementary

#40AB99 #AB4087 #AB6340

monochromatic

#1F5249 #2F7E71 #40AB99 #63C5B4 #90D5CA

Accessibility & contrast

On white

2.80

#40AB99 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.50

#40AB99 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #40AB99

7.50:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##40AB99	#FFFFFF	#000000	##000000
##40AB99	1.00	2.80	7.50	7.50
#FFFFFF	2.80	1.00	21.00	21.00
#000000	7.50	21.00	1.00	1.00
##000000	7.50	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#A4A198

Deuteranopia (green-blind)

#94969B

Tritanopia (blue-blind)

#00AEA5

Achromatopsia (no color)

#9A9A9A

Design tokens & code

CSS

--color: #40ab99;
/* rgb */ color: rgb(64, 171, 153);
/* oklch */ color: oklch(67.5% 0.101 180.0);

Tailwind

colors: {
  custom: {
    50: '#81c4b7',
    500: '#40ab99',
    950: '#000000',
  },
}

SCSS

$custom: #40ab99;
$custom-light: #81c4b7;
$custom-dark: #000000;

JSON

{
  "hex": "#40ab99",
  "rgb": {
    "r": 64,
    "g": 171,
    "b": 153
  },
  "hsl": {
    "h": 169.907,
    "s": 45.532,
    "l": 46.078
  },
  "oklch": {
    "l": 0.67495,
    "c": 0.10105,
    "h": 180
  },
  "luminance": 0.32516
}

Semantic roles & 50–950 ramp

primary

#40AB99

secondary

#C18690

accent

#5369D5

background

#F8FCFB

surface

#EFF8F6

border

#CAD1D0

text

#0B1311

muted

#7C8280

Preview Lab

Preview with #40AB99

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

Preview Lab → · Contrast checker → · Palette generator →