#40CB99#40CB99

#40CB99 is a light, vivid teal. Relative luminance 0.461; OKLCH L 75.5% C 0.139 H 164.8°. Best body text is #000000 at 10.22:1 contrast (WCAG AA passes).

Color values

HEX	#40CB99
RGB	rgb(64, 203, 153)
HSL	hsl(158, 57%, 52%)
HSV	hsv(158, 68%, 80%)
CMYK	cmyk(68.5%, 0%, 24.6%, 20.4%)
CIE-LAB	lab(73.61, -48.80, 14.32)
CIE-LCH	lch(73.61, 50.86, 163.65°)
OKLab	oklab(75.54% -0.1345 0.0366)
OKLCH	oklch(75.54% 0.139 164.8)
XYZ	xyz(29.2169, 46.0985, 37.4889)
Luminance	0.4610 (WCAG relative)
Temperature	neutral
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#40CB99 #CB4072

analogous

#40CB53 #40CB99 #40B8CB

triadic

#40CB99 #9940CB #CB9940

tetradic

#40CB99 #5340CB #CB4072 #B8CB40

square

#40CB99 #5340CB #CB4072 #B8CB40

split-complementary

#40CB99 #CB40B8 #CB5340

monochromatic

#1F7254 #2CA277 #40CB99 #70D8B3 #A0E5CC

Accessibility & contrast

On white

2.05

#40CB99 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

10.22

#40CB99 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #40CB99

10.22:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##40CB99	#FFFFFF	#000000	##000000
##40CB99	1.00	2.05	10.22	10.22
#FFFFFF	2.05	1.00	21.00	21.00
#000000	10.22	21.00	1.00	1.00
##000000	10.22	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#C7BD96

Deuteranopia (green-blind)

#B5AF9C

Tritanopia (blue-blind)

#00CBBD

Achromatopsia (no color)

#B5B5B5

Design tokens & code

CSS

--color: #40cb99;
/* rgb */ color: rgb(64, 203, 153);
/* oklch */ color: oklch(75.5% 0.139 164.8);

Tailwind

colors: {
  custom: {
    50: '#86dcb7',
    500: '#40cb99',
    950: '#000000',
  },
}

SCSS

$custom: #40cb99;
$custom-light: #86dcb7;
$custom-dark: #000000;

JSON

{
  "hex": "#40cb99",
  "rgb": {
    "r": 64,
    "g": 203,
    "b": 153
  },
  "hsl": {
    "h": 158.417,
    "s": 57.202,
    "l": 52.353
  },
  "oklch": {
    "l": 0.75535,
    "c": 0.13939,
    "h": 164.8
  },
  "luminance": 0.46102
}

Semantic roles & 50–950 ramp

primary

#40CB99

secondary

#D295AB

accent

#477EE0

background

#F8FDFB

surface

#F0FBF6

border

#CBD4D0

text

#0C1511

muted

#7D8380

Preview Lab

Preview with #40CB99

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

Preview Lab → · Contrast checker → · Palette generator →