#66C8BF#66C8BF
#66C8BF is a light, moderate teal. Relative luminance 0.479; OKLCH L 77.1% C 0.094 H 187.6°. Best body text is #000000 at 10.58:1 contrast (WCAG AA passes).
Color values
| HEX | #66C8BF |
|---|---|
| RGB | rgb(102, 200, 191) |
| HSL | hsl(174, 47%, 59%) |
| HSV | hsv(174, 49%, 78%) |
| CMYK | cmyk(49%, 0%, 4.5%, 21.6%) |
| CIE-LAB | lab(74.76, -31.00, -4.38) |
| CIE-LCH | lch(74.76, 31.31, 188.05°) |
| OKLab | oklab(77.09% -0.0928 -0.0123) |
| OKLCH | oklch(77.09% 0.094 187.6) |
| XYZ | xyz(35.5338, 47.8918, 56.6516) |
| Luminance | 0.4789 (WCAG relative) |
| Temperature | cool |
| Family | teal |
Closest named colors
Mediumturquoise
#48D1CC
ΔE00 3.63
Darkturquoise
#00CED1
ΔE00 6.03
Topaz
#13BBAF
ΔE00 6.05
Tealish
#24BCA8
ΔE00 6.76
Seafoam Blue
#78D1B6
ΔE00 6.76
Turquoise
#40E0D0
ΔE00 6.77
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#66C8BF #C8666F
analogous
#66C88E #66C8BF #66A0C8
triadic
#66C8BF #BF66C8 #C8BF66
tetradic
#66C8BF #8E66C8 #C8666F #A0C866
square
#66C8BF #8E66C8 #C8666F #A0C866
split-complementary
#66C8BF #C866A0 #C88E66
monochromatic
#2F847C #40B1A7 #66C8BF #93D8D2 #C0E8E5
Accessibility & contrast
On white
1.99
#66C8BF on #FFFFFF
AA ✗AA large ✗AAA ✗
On black
10.58
#66C8BF on #000000
AA ✓AA large ✓AAA ✓
Best text color
#000000 on #66C8BF
10.58:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##66C8BF | #FFFFFF | #000000 | ##000000 |
|---|---|---|---|---|
| ##66C8BF | 1.00 | 1.99 | 10.58 | 10.58 |
| #FFFFFF | 1.99 | 1.00 | 21.00 | 21.00 |
| #000000 | 10.58 | 21.00 | 1.00 | 1.00 |
| ##000000 | 10.58 | 21.00 | 1.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#BFBFBF
Deuteranopia (green-blind)
#AFB3C0
Tritanopia (blue-blind)
#30CCC5
Achromatopsia (no color)
#B8B8B8
Design tokens & code
CSS
--color: #66c8bf; /* rgb */ color: rgb(102, 200, 191); /* oklch */ color: oklch(77.1% 0.094 187.6);
Tailwind
colors: {
custom: {
50: '#99d9d2',
500: '#66c8bf',
950: '#000000',
},
}SCSS
$custom: #66c8bf; $custom-light: #99d9d2; $custom-dark: #000000;
JSON
{
"hex": "#66c8bf",
"rgb": {
"r": 102,
"g": 200,
"b": 191
},
"hsl": {
"h": 174.49,
"s": 47.115,
"l": 59.216
},
"oklch": {
"l": 0.7709,
"c": 0.09363,
"h": 187.6
},
"luminance": 0.47895
}Semantic roles & 50–950 ramp
primary
#66C8BF
secondary
#D8B2B5
accent
#515DD7
background
#F9FDFC
surface
#F2FAF9
border
#CCD3D2
text
#0E1414
muted
#7E8382