#40DF99#40DF99

#40DF99 is a light, vivid teal. Relative luminance 0.562; OKLCH L 80.5% C 0.165 H 159.5°. Best body text is #000000 at 12.23:1 contrast (WCAG AA passes).

Color values

HEX	#40DF99
RGB	rgb(64, 223, 153)
HSL	hsl(154, 71%, 56%)
HSV	hsv(154, 71%, 87%)
CMYK	cmyk(71.3%, 0%, 31.4%, 12.5%)
CIE-LAB	lab(79.71, -56.73, 22.77)
CIE-LCH	lch(79.71, 61.13, 158.13°)
OKLab	oklab(80.54% -0.1543 0.0577)
OKLCH	oklch(80.54% 0.165 159.5)
XYZ	xyz(34.2483, 56.1613, 39.1661)
Luminance	0.5616 (WCAG relative)
Temperature	neutral
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#40DF99 #DF4086

analogous

#40DF4A #40DF99 #40D5DF

triadic

#40DF99 #9940DF #DF9940

tetradic

#40DF99 #4A40DF #DF4086 #D5DF40

square

#40DF99 #4A40DF #DF4086 #D5DF40

split-complementary

#40DF99 #DF40D5 #DF4A40

monochromatic

#188D59 #20C17B #40DF99 #74E8B5 #A9F1D1

Accessibility & contrast

On white

1.72

#40DF99 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

12.23

#40DF99 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #40DF99

12.23:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##40DF99	#FFFFFF	#000000	##000000
##40DF99	1.00	1.72	12.23	12.23
#FFFFFF	1.72	1.00	21.00	21.00
#000000	12.23	21.00	1.00	1.00
##000000	12.23	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#DCCE95

Deuteranopia (green-blind)

#C9C09E

Tritanopia (blue-blind)

#00DECD

Achromatopsia (no color)

#C6C6C6

Design tokens & code

CSS

--color: #40df99;
/* rgb */ color: rgb(64, 223, 153);
/* oklch */ color: oklch(80.5% 0.165 159.5);

Tailwind

colors: {
  custom: {
    50: '#89eab7',
    500: '#40df99',
    950: '#000000',
  },
}

SCSS

$custom: #40df99;
$custom-light: #89eab7;
$custom-dark: #000000;

JSON

{
  "hex": "#40df99",
  "rgb": {
    "r": 64,
    "g": 223,
    "b": 153
  },
  "hsl": {
    "h": 153.585,
    "s": 71.3,
    "l": 56.275
  },
  "oklch": {
    "l": 0.80541,
    "c": 0.1647,
    "h": 159.5
  },
  "luminance": 0.56165
}

Semantic roles & 50–950 ramp

primary

#40DF99

secondary

#92315C

accent

#3A89EE

background

#FCFEFD

surface

#F4FDF8

border

#CED5D1

text

#0D1611

muted

#7F8481

Preview Lab

Preview with #40DF99

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

Preview Lab → · Contrast checker → · Palette generator →