#51FEFF#51FEFF
#51FEFF is a very light, vivid teal. Relative luminance 0.799; OKLCH L 91.2% C 0.138 H 195.6°. Best body text is #000000 at 16.97:1 contrast (WCAG AA passes).
Color values
| HEX | #51FEFF |
|---|---|
| RGB | rgb(81, 254, 255) |
| HSL | hsl(180, 100%, 66%) |
| HSV | hsv(180, 68%, 100%) |
| CMYK | cmyk(68.2%, 0.4%, 0%, 0%) |
| CIE-LAB | lab(91.62, -42.52, -13.30) |
| CIE-LCH | lch(91.62, 44.55, 197.37°) |
| OKLab | oklab(91.18% -0.1325 -0.0369) |
| OKLCH | oklch(91.18% 0.138 195.6) |
| XYZ | xyz(56.8770, 79.8463, 107.0026) |
| Luminance | 0.7985 (WCAG relative) |
| Temperature | cool |
| Family | teal |
Closest named colors
Bright Cyan
#41FDFE
ΔE00 0.67
Aqua
#00FFFF
ΔE00 1.87
Bright Light Blue
#26F7FD
ΔE00 2.33
Bright Turquoise
#0FFEF9
ΔE00 2.77
Bright Aqua
#0BF9EA
ΔE00 5.71
Robin'S Egg
#6DEDFD
ΔE00 6.93
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#51FEFF #FF5251
analogous
#51FFA9 #51FEFF #51A7FF
triadic
#51FEFF #FF51FE #FEFF51
tetradic
#51FEFF #A951FF #FF5251 #A7FF51
square
#51FEFF #A951FF #FF5251 #A7FF51
split-complementary
#51FEFF #FF51A7 #FFA951
monochromatic
#00D4D6 #14FEFF #51FEFF #8EFEFF #CBFFFF
Accessibility & contrast
On white
1.24
#51FEFF on #FFFFFF
AA ✗AA large ✗AAA ✗
On black
16.97
#51FEFF on #000000
AA ✓AA large ✓AAA ✓
Best text color
#000000 on #51FEFF
16.97:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##51FEFF | #FFFFFF | #000000 | ##000000 |
|---|---|---|---|---|
| ##51FEFF | 1.00 | 1.24 | 16.97 | 16.97 |
| #FFFFFF | 1.24 | 1.00 | 21.00 | 21.00 |
| #000000 | 16.97 | 21.00 | 1.00 | 1.00 |
| ##000000 | 16.97 | 21.00 | 1.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#EDF2FF
Deuteranopia (green-blind)
#D4DFFF
Tritanopia (blue-blind)
#00FFFE
Achromatopsia (no color)
#E7E7E7
Design tokens & code
CSS
--color: #51feff; /* rgb */ color: rgb(81, 254, 255); /* oklch */ color: oklch(91.2% 0.138 195.6);
Tailwind
colors: {
custom: {
50: '#99ffff',
500: '#51feff',
950: '#000000',
},
}SCSS
$custom: #51feff; $custom-light: #99ffff; $custom-dark: #000000;
JSON
{
"hex": "#51feff",
"rgb": {
"r": 81,
"g": 254,
"b": 255
},
"hsl": {
"h": 180.345,
"s": 100,
"l": 65.882
},
"oklch": {
"l": 0.91177,
"c": 0.13753,
"h": 195.6
},
"luminance": 0.79853
}Semantic roles & 50–950 ramp
primary
#51FEFF
secondary
#D02625
accent
#0100E6
background
#FDFFFF
surface
#F7FFFF
border
#D0D7D7
text
#101818
muted
#818686