#51F2E4#51F2E4
#51F2E4 is a very light, vivid teal. Relative luminance 0.709; OKLCH L 87.5% C 0.133 H 186.7°. Best body text is #000000 at 15.17:1 contrast (WCAG AA passes).
Color values
| HEX | #51F2E4 |
|---|---|
| RGB | rgb(81, 242, 228) |
| HSL | hsl(175, 86%, 63%) |
| HSV | hsv(175, 67%, 95%) |
| CMYK | cmyk(66.5%, 0%, 5.8%, 5.1%) |
| CIE-LAB | lab(87.41, -44.43, -5.47) |
| CIE-LCH | lch(87.41, 44.77, 187.02°) |
| OKLab | oklab(87.51% -0.1323 -0.0155) |
| OKLCH | oklch(87.51% 0.133 186.7) |
| XYZ | xyz(49.1426, 70.8494, 84.4691) |
| Luminance | 0.7086 (WCAG relative) |
| Temperature | cool |
| Family | teal |
Closest named colors
Bright Aqua
#0BF9EA
ΔE00 2.36
Turquoise
#40E0D0
ΔE00 4.16
Bright Turquoise
#0FFEF9
ΔE00 4.16
Tiffany Blue
#7BF2DA
ΔE00 4.48
Bright Cyan
#41FDFE
ΔE00 5.43
Aqua
#00FFFF
ΔE00 5.44
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#51F2E4 #F2515F
analogous
#51F294 #51F2E4 #51AFF2
triadic
#51F2E4 #E451F2 #F2E451
tetradic
#51F2E4 #9451F2 #F2515F #AFF251
square
#51F2E4 #9451F2 #F2515F #AFF251
split-complementary
#51F2E4 #F251AF #F29451
monochromatic
#0EBBAC #18EEDB #51F2E4 #8AF6ED #C3FBF6
Accessibility & contrast
On white
1.38
#51F2E4 on #FFFFFF
AA ✗AA large ✗AAA ✗
On black
15.17
#51F2E4 on #000000
AA ✓AA large ✓AAA ✓
Best text color
#000000 on #51F2E4
15.17:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##51F2E4 | #FFFFFF | #000000 | ##000000 |
|---|---|---|---|---|
| ##51F2E4 | 1.00 | 1.38 | 15.17 | 15.17 |
| #FFFFFF | 1.38 | 1.00 | 21.00 | 21.00 |
| #000000 | 15.17 | 21.00 | 1.00 | 1.00 |
| ##000000 | 15.17 | 21.00 | 1.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#E6E5E4
Deuteranopia (green-blind)
#CED4E6
Tritanopia (blue-blind)
#00F8ED
Achromatopsia (no color)
#DBDBDB
Design tokens & code
CSS
--color: #51f2e4; /* rgb */ color: rgb(81, 242, 228); /* oklch */ color: oklch(87.5% 0.133 186.7);
Tailwind
colors: {
custom: {
50: '#96f7ec',
500: '#51f2e4',
950: '#000000',
},
}SCSS
$custom: #51f2e4; $custom-light: #96f7ec; $custom-dark: #000000;
JSON
{
"hex": "#51f2e4",
"rgb": {
"r": 81,
"g": 242,
"b": 228
},
"hsl": {
"h": 174.783,
"s": 86.096,
"l": 63.333
},
"oklch": {
"l": 0.87513,
"c": 0.1332,
"h": 186.7
},
"luminance": 0.70855
}Semantic roles & 50–950 ramp
primary
#51F2E4
secondary
#B92E3A
accent
#0316E3
background
#FCFFFE
surface
#F5FFFD
border
#CFD7D5
text
#0F1716
muted
#808584