#40D8B0#40D8B0

#40D8B0 is a light, vivid teal. Relative luminance 0.533; OKLCH L 79.4% C 0.138 H 171.1°. Best body text is #000000 at 11.67:1 contrast (WCAG AA passes).

Color values

HEX	#40D8B0
RGB	rgb(64, 216, 176)
HSL	hsl(164, 66%, 55%)
HSV	hsv(164, 70%, 85%)
CMYK	cmyk(70.4%, 0%, 18.5%, 15.3%)
CIE-LAB	lab(78.07, -48.80, 8.36)
CIE-LCH	lch(78.07, 49.51, 170.28°)
OKLab	oklab(79.36% -0.1368 0.0213)
OKLCH	oklch(79.36% 0.138 171.1)
XYZ	xyz(34.5026, 53.3323, 49.5417)
Luminance	0.5334 (WCAG relative)
Temperature	neutral
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#40D8B0 #D84068

analogous

#40D864 #40D8B0 #40B4D8

triadic

#40D8B0 #B040D8 #D8B040

tetradic

#40D8B0 #6440D8 #D84068 #B4D840

square

#40D8B0 #6440D8 #D84068 #B4D840

split-complementary

#40D8B0 #D840B4 #D86440

monochromatic

#1B8367 #25B690 #40D8B0 #73E2C5 #A6EDDA

Accessibility & contrast

On white

1.80

#40D8B0 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

11.67

#40D8B0 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #40D8B0

11.67:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##40D8B0	#FFFFFF	#000000	##000000
##40D8B0	1.00	1.80	11.67	11.67
#FFFFFF	1.80	1.00	21.00	21.00
#000000	11.67	21.00	1.00	1.00
##000000	11.67	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#D2CAAE

Deuteranopia (green-blind)

#BDBBB3

Tritanopia (blue-blind)

#00DACC

Achromatopsia (no color)

#C1C1C1

Design tokens & code

CSS

--color: #40d8b0;
/* rgb */ color: rgb(64, 216, 176);
/* oklch */ color: oklch(79.4% 0.138 171.1);

Tailwind

colors: {
  custom: {
    50: '#89e5c7',
    500: '#40d8b0',
    950: '#000000',
  },
}

SCSS

$custom: #40d8b0;
$custom-light: #89e5c7;
$custom-dark: #000000;

JSON

{
  "hex": "#40d8b0",
  "rgb": {
    "r": 64,
    "g": 216,
    "b": 176
  },
  "hsl": {
    "h": 164.211,
    "s": 66.087,
    "l": 54.902
  },
  "oklch": {
    "l": 0.79359,
    "c": 0.13847,
    "h": 171.1
  },
  "luminance": 0.53336
}

Semantic roles & 50–950 ramp

primary

#40D8B0

secondary

#8A3349

accent

#3F6CE9

background

#FCFEFD

surface

#F4FCF9

border

#CED5D2

text

#0D1613

muted

#7F8482

Preview Lab

Preview with #40D8B0

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

Preview Lab → · Contrast checker → · Palette generator →