#51F2E5#51F2E5
#51F2E5 is a very light, vivid teal. Relative luminance 0.709; OKLCH L 87.5% C 0.133 H 187.3°. Best body text is #000000 at 15.18:1 contrast (WCAG AA passes).
Color values
| HEX | #51F2E5 |
|---|---|
| RGB | rgb(81, 242, 229) |
| HSL | hsl(175, 86%, 63%) |
| HSV | hsv(175, 67%, 95%) |
| CMYK | cmyk(66.5%, 0%, 5.4%, 5.1%) |
| CIE-LAB | lab(87.44, -44.17, -5.96) |
| CIE-LCH | lch(87.44, 44.57, 187.68°) |
| OKLab | oklab(87.54% -0.1319 -0.0168) |
| OKLCH | oklch(87.54% 0.133 187.3) |
| XYZ | xyz(49.2818, 70.9051, 85.2023) |
| Luminance | 0.7091 (WCAG relative) |
| Temperature | cool |
| Family | teal |
Closest named colors
Bright Aqua
#0BF9EA
ΔE00 2.41
Bright Turquoise
#0FFEF9
ΔE00 3.94
Turquoise
#40E0D0
ΔE00 4.25
Tiffany Blue
#7BF2DA
ΔE00 4.72
Bright Cyan
#41FDFE
ΔE00 5.14
Aqua
#00FFFF
ΔE00 5.18
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#51F2E5 #F2515E
analogous
#51F294 #51F2E5 #51AEF2
triadic
#51F2E5 #E551F2 #F2E551
tetradic
#51F2E5 #9451F2 #F2515E #AEF251
square
#51F2E5 #9451F2 #F2515E #AEF251
split-complementary
#51F2E5 #F251AE #F29451
monochromatic
#0EBBAD #18EEDC #51F2E5 #8AF6EE #C3FBF6
Accessibility & contrast
On white
1.38
#51F2E5 on #FFFFFF
AA ✗AA large ✗AAA ✗
On black
15.18
#51F2E5 on #000000
AA ✓AA large ✓AAA ✓
Best text color
#000000 on #51F2E5
15.18:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##51F2E5 | #FFFFFF | #000000 | ##000000 |
|---|---|---|---|---|
| ##51F2E5 | 1.00 | 1.38 | 15.18 | 15.18 |
| #FFFFFF | 1.38 | 1.00 | 21.00 | 21.00 |
| #000000 | 15.18 | 21.00 | 1.00 | 1.00 |
| ##000000 | 15.18 | 21.00 | 1.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#E5E5E5
Deuteranopia (green-blind)
#CED4E7
Tritanopia (blue-blind)
#00F8EE
Achromatopsia (no color)
#DBDBDB
Design tokens & code
CSS
--color: #51f2e5; /* rgb */ color: rgb(81, 242, 229); /* oklch */ color: oklch(87.5% 0.133 187.3);
Tailwind
colors: {
custom: {
50: '#96f7ed',
500: '#51f2e5',
950: '#000000',
},
}SCSS
$custom: #51f2e5; $custom-light: #96f7ed; $custom-dark: #000000;
JSON
{
"hex": "#51f2e5",
"rgb": {
"r": 81,
"g": 242,
"b": 229
},
"hsl": {
"h": 175.155,
"s": 86.096,
"l": 63.333
},
"oklch": {
"l": 0.87544,
"c": 0.13293,
"h": 187.3
},
"luminance": 0.70911
}Semantic roles & 50–950 ramp
primary
#51F2E5
secondary
#B92E39
accent
#0315E3
background
#FCFFFE
surface
#F5FFFD
border
#CFD7D5
text
#0F1716
muted
#808584