#51F2EF#51F2EF
#51F2EF is a very light, vivid teal. Relative luminance 0.715; OKLCH L 87.9% C 0.131 H 193.2°. Best body text is #000000 at 15.30:1 contrast (WCAG AA passes).
Color values
| HEX | #51F2EF |
|---|---|
| RGB | rgb(81, 242, 239) |
| HSL | hsl(179, 86%, 63%) |
| HSV | hsv(179, 67%, 95%) |
| CMYK | cmyk(66.5%, 0%, 1.2%, 5.1%) |
| CIE-LAB | lab(87.72, -41.51, -10.78) |
| CIE-LCH | lch(87.72, 42.88, 194.56°) |
| OKLab | oklab(87.86% -0.1276 -0.03) |
| OKLCH | oklch(87.86% 0.131 193.2) |
| XYZ | xyz(50.7184, 71.4798, 92.7686) |
| Luminance | 0.7149 (WCAG relative) |
| Temperature | cool |
| Family | teal |
Closest named colors
Bright Cyan
#41FDFE
ΔE00 2.67
Bright Turquoise
#0FFEF9
ΔE00 3.13
Bright Light Blue
#26F7FD
ΔE00 3.13
Aqua
#00FFFF
ΔE00 3.29
Bright Aqua
#0BF9EA
ΔE00 4.56
Turquoise
#40E0D0
ΔE00 6.13
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#51F2EF #F25154
analogous
#51F29E #51F2EF #51A4F2
triadic
#51F2EF #EF51F2 #F2EF51
tetradic
#51F2EF #9E51F2 #F25154 #A4F251
square
#51F2EF #9E51F2 #F25154 #A4F251
split-complementary
#51F2EF #F251A4 #F29E51
monochromatic
#0EBBB7 #18EEEA #51F2EF #8AF6F4 #C3FBF9
Accessibility & contrast
On white
1.37
#51F2EF on #FFFFFF
AA ✗AA large ✗AAA ✗
On black
15.30
#51F2EF on #000000
AA ✓AA large ✓AAA ✓
Best text color
#000000 on #51F2EF
15.30:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##51F2EF | #FFFFFF | #000000 | ##000000 |
|---|---|---|---|---|
| ##51F2EF | 1.00 | 1.37 | 15.30 | 15.30 |
| #FFFFFF | 1.37 | 1.00 | 21.00 | 21.00 |
| #000000 | 15.30 | 21.00 | 1.00 | 1.00 |
| ##000000 | 15.30 | 21.00 | 1.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#E3E6EF
Deuteranopia (green-blind)
#CBD4F0
Tritanopia (blue-blind)
#00F9F1
Achromatopsia (no color)
#DCDCDC
Design tokens & code
CSS
--color: #51f2ef; /* rgb */ color: rgb(81, 242, 239); /* oklch */ color: oklch(87.9% 0.131 193.2);
Tailwind
colors: {
custom: {
50: '#96f7f4',
500: '#51f2ef',
950: '#000000',
},
}SCSS
$custom: #51f2ef; $custom-light: #96f7f4; $custom-dark: #000000;
JSON
{
"hex": "#51f2ef",
"rgb": {
"r": 81,
"g": 242,
"b": 239
},
"hsl": {
"h": 178.882,
"s": 86.096,
"l": 63.333
},
"oklch": {
"l": 0.87863,
"c": 0.1311,
"h": 193.2
},
"luminance": 0.71486
}Semantic roles & 50–950 ramp
primary
#51F2EF
secondary
#B92E31
accent
#0307E3
background
#FCFFFF
surface
#F6FFFE
border
#D0D7D6
text
#0F1717
muted
#808585