#40C999#40C999

#40C999 is a light, vivid teal. Relative luminance 0.452; OKLCH L 75.0% C 0.137 H 165.4°. Best body text is #000000 at 10.03:1 contrast (WCAG AA passes).

Color values

HEX	#40C999
RGB	rgb(64, 201, 153)
HSL	hsl(159, 56%, 52%)
HSV	hsv(159, 68%, 79%)
CMYK	cmyk(68.2%, 0%, 23.9%, 21.2%)
CIE-LAB	lab(73.00, -47.98, 13.46)
CIE-LCH	lch(73.00, 49.83, 164.33°)
OKLab	oklab(75.03% -0.1325 0.0344)
OKLCH	oklch(75.03% 0.137 165.4)
XYZ	xyz(28.7477, 45.1600, 37.3325)
Luminance	0.4516 (WCAG relative)
Temperature	neutral
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#40C999 #C94070

analogous

#40C955 #40C999 #40B5C9

triadic

#40C999 #9940C9 #C99940

tetradic

#40C999 #5540C9 #C94070 #B5C940

square

#40C999 #5540C9 #C94070 #B5C940

split-complementary

#40C999 #C940B5 #C95540

monochromatic

#1F6F53 #2D9F77 #40C999 #70D6B2 #9FE4CC

Accessibility & contrast

On white

2.09

#40C999 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

10.03

#40C999 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #40C999

10.03:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##40C999	#FFFFFF	#000000	##000000
##40C999	1.00	2.09	10.03	10.03
#FFFFFF	2.09	1.00	21.00	21.00
#000000	10.03	21.00	1.00	1.00
##000000	10.03	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#C5BB96

Deuteranopia (green-blind)

#B3AE9C

Tritanopia (blue-blind)

#00C9BC

Achromatopsia (no color)

#B3B3B3

Design tokens & code

CSS

--color: #40c999;
/* rgb */ color: rgb(64, 201, 153);
/* oklch */ color: oklch(75.0% 0.137 165.4);

Tailwind

colors: {
  custom: {
    50: '#85dab7',
    500: '#40c999',
    950: '#000000',
  },
}

SCSS

$custom: #40c999;
$custom-light: #85dab7;
$custom-dark: #000000;

JSON

{
  "hex": "#40c999",
  "rgb": {
    "r": 64,
    "g": 201,
    "b": 153
  },
  "hsl": {
    "h": 158.978,
    "s": 55.918,
    "l": 51.961
  },
  "oklch": {
    "l": 0.75033,
    "c": 0.13687,
    "h": 165.4
  },
  "luminance": 0.45163
}

Semantic roles & 50–950 ramp

primary

#40C999

secondary

#D094A9

accent

#497DDF

background

#F8FDFB

surface

#F0FBF6

border

#CBD4D0

text

#0C1511

muted

#7D8380

Preview Lab

Preview with #40C999

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

Preview Lab → · Contrast checker → · Palette generator →