#40D8C2#40D8C2
#40D8C2 is a light, vivid teal. Relative luminance 0.541; OKLCH L 79.9% C 0.129 H 181.0°. Best body text is #000000 at 11.82:1 contrast (WCAG AA passes).
Color values
| HEX | #40D8C2 |
|---|---|
| RGB | rgb(64, 216, 194) |
| HSL | hsl(171, 66%, 55%) |
| HSV | hsv(171, 70%, 85%) |
| CMYK | cmyk(70.4%, 0%, 10.2%, 15.3%) |
| CIE-LAB | lab(78.52, -44.29, -0.60) |
| CIE-LCH | lch(78.52, 44.29, 180.78°) |
| OKLab | oklab(79.87% -0.1286 -0.0023) |
| OKLCH | oklch(79.87% 0.129 181) |
| XYZ | xyz(36.4031, 54.0925, 59.5508) |
| Luminance | 0.5410 (WCAG relative) |
| Temperature | cool |
| Family | teal |
Closest named colors
Turquoise
#40E0D0
ΔE00 2.83
Aquamarine (survey)
#04D8B2
ΔE00 4.72
Aqua (survey)
#13EAC9
ΔE00 4.93
Seafoam Blue
#78D1B6
ΔE00 5.64
Turquoise (survey)
#06C2AC
ΔE00 5.83
Mediumturquoise
#48D1CC
ΔE00 5.87
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#40D8C2 #D84056
analogous
#40D876 #40D8C2 #40A2D8
triadic
#40D8C2 #C240D8 #D8C240
tetradic
#40D8C2 #7640D8 #D84056 #A2D840
square
#40D8C2 #7640D8 #D84056 #A2D840
split-complementary
#40D8C2 #D840A2 #D87640
monochromatic
#1B8374 #25B6A1 #40D8C2 #73E2D2 #A6EDE2
Accessibility & contrast
On white
1.78
#40D8C2 on #FFFFFF
AA ✗AA large ✗AAA ✗
On black
11.82
#40D8C2 on #000000
AA ✓AA large ✓AAA ✓
Best text color
#000000 on #40D8C2
11.82:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##40D8C2 | #FFFFFF | #000000 | ##000000 |
|---|---|---|---|---|
| ##40D8C2 | 1.00 | 1.78 | 11.82 | 11.82 |
| #FFFFFF | 1.78 | 1.00 | 21.00 | 21.00 |
| #000000 | 11.82 | 21.00 | 1.00 | 1.00 |
| ##000000 | 11.82 | 21.00 | 1.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#CECBC1
Deuteranopia (green-blind)
#B9BCC4
Tritanopia (blue-blind)
#00DCD1
Achromatopsia (no color)
#C2C2C2
Design tokens & code
CSS
--color: #40d8c2; /* rgb */ color: rgb(64, 216, 194); /* oklch */ color: oklch(79.9% 0.129 181.0);
Tailwind
colors: {
custom: {
50: '#8ae5d4',
500: '#40d8c2',
950: '#000000',
},
}SCSS
$custom: #40d8c2; $custom-light: #8ae5d4; $custom-dark: #000000;
JSON
{
"hex": "#40d8c2",
"rgb": {
"r": 64,
"g": 216,
"b": 194
},
"hsl": {
"h": 171.316,
"s": 66.087,
"l": 54.902
},
"oklch": {
"l": 0.7987,
"c": 0.12865,
"h": 181
},
"luminance": 0.54097
}Semantic roles & 50–950 ramp
primary
#40D8C2
secondary
#8A333F
accent
#3F57E9
background
#FCFEFE
surface
#F4FCFB
border
#CED5D4
text
#0D1614
muted
#7F8483