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#51FDFF

#51fdff ≈ Aqua

  • cyan
  • Lightness: high
  • Saturation: strong
  • Cool
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#51fdff is a color from the cyan family, with high lightness and strong saturation. In the RGB model it is made of 31.76% red, 99.22% green and 100% blue; printed in CMYK it uses 68.24% cyan, 0.78% magenta, 0% yellow and 0% black. Its hue angle is 180.69°, with 100% saturation and 65.88% lightness in HSL. It is a cool color, often associated with freshness, technology and clarity. Designers typically use it for health and wellness, technology products and call-to-action buttons. Black text on this color reaches a contrast ratio of 16.84:1 (WCAG AAA). The closest named color is Aqua (#00ffff), ΔE 2.05.

Description generated from the measured properties of this color.

HEX
RGB
RGB percent
CMY
CMYK
HSL
HSV / HSB
Web safe#66ffff
CIE-LAB
XYZ
xyY
CIE-LCH
CIE-LUV
Hunter-Lab
OKLab
Binary
Decimal
Relative luminance0.7922

Complementary

  1. #51fdff
  2. #ff5351

Split complementary

  1. #51fdff
  2. #ff51a6
  3. #ffaa51

Analogous

  1. #51ffaa
  2. #51fdff
  3. #51a6ff

Triadic

  1. #51fdff
  2. #ff51fd
  3. #fdff51

Tetradic

  1. #51fdff
  2. #5351ff
  3. #ff5351
  4. #fdff51

Square

  1. #51fdff
  2. #aa51ff
  3. #ff5351
  4. #a6ff51

Monochromatic

  1. #00b5b7
  2. #04fcff
  3. #51fdff
  4. #9dfeff
  5. #eaffff

Shades

#51fdff mixed progressively with black.

  1. #51fdff
  2. #49e4e6
  3. #41cacc
  4. #39b1b3
  5. #319899
  6. #297f80
  7. #206566
  8. #184c4d
  9. #103333
  10. #08191a
  11. #000000

Tints

#51fdff mixed progressively with white.

  1. #51fdff
  2. #62fdff
  3. #74fdff
  4. #85feff
  5. #97feff
  6. #a8feff
  7. #b9feff
  8. #cbfeff
  9. #dcffff
  10. #eeffff
  11. #ffffff

Tones

#51fdff mixed progressively with gray.

  1. #51fdff
  2. #56f1f2
  3. #5ae4e6
  4. #5fd8d9
  5. #64cbcc
  6. #69bfc0
  7. #6db2b3
  8. #72a6a6
  9. #779999
  10. #7b8d8d
  11. #808080

Readable text 1.25:1 AA ✕ AA Large ✕ AAA ✕ AAA Large ✕
Readable text 16.84:1 AA ✓ AA Large ✓ AAA ✓ AAA Large ✓

Achromatopsia #e6e6e6 ≈ 0.003% of males
Achromatomaly #bdf0f0 ≈ 0.001% of males
Protanopia #ecf1ff ≈ 1.01% of males
Deuteranopia #d2deff ≈ 1.27% of males
Tritanopia #00fffd ≈ 0.0001% of males
Protanomaly #c2f6ff ≈ 1.08% of males
Deuteranomaly #aeebff ≈ 4.63% of males
Tritanomaly #00fffe ≈ 0.0002% of males
Simulate on your own image

Text in this color

Background in this color

Border in this color

Text color
.text-51fdff {
  color: #51fdff;
}
Background
.bg-51fdff {
  background-color: #51fdff;
  color: #000000;
}
Border
.border-51fdff {
  border: 2px solid #51fdff;
}
CSS variables
:root {
  --color-primary: #51fdff;
  --color-primary-rgb: 81 253 255;
  --color-primary-hsl: 181 100% 66%;
}
Gradient
.gradient-51fdff {
  background: linear-gradient(135deg, #51fdff, #51a6ff);
}
Colored shadow
.shadow-51fdff {
  box-shadow: 0 8px 24px rgb(81 253 255 / 0.35);
}

#00ffff Aqua ΔE 2.05 #00ffff Cyan ΔE 2.05 #7df9ff Electric Blue ΔE 3.56 #00ffef Turquoise Blue ΔE 6.14 #08e8de Bright Turquoise ΔE 6.54 #b2ffff Celeste ΔE 8.15 #40e0d0 Turquoise ΔE 8.92 #ae0200 Inverted #e6e6e6 Grayscale 

Aqua
#51fdff  rgb(81, 253, 255)  hsl(181, 100%, 66%)  Aqua
#ff5351  rgb(255, 83, 81)  hsl(1, 100%, 66%)  Pastel Red
#ff51fd  rgb(255, 81, 253)  hsl(301, 100%, 66%)  Fuchsia
#fdff51  rgb(253, 255, 81)  hsl(61, 100%, 66%)  Laser Lemon