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#4EFFFF

#4effff ≈ Aqua

  • cyan
  • Lightness: high
  • Saturation: strong
  • Cool
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#4effff is a color from the cyan family, with high lightness and strong saturation. In the RGB model it is made of 30.59% red, 100% green and 100% blue; printed in CMYK it uses 69.41% cyan, 0% magenta, 0% yellow and 0% black. Its hue angle is 180°, with 100% saturation and 65.29% 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 17.07:1 (WCAG AAA). The closest named color is Aqua (#00ffff), ΔE 1.63.

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 luminance0.8036

Complementary

  1. #4effff
  2. #ff4e4e

Split complementary

  1. #4effff
  2. #ff4ea6
  3. #ffa64e

Analogous

  1. #4effa6
  2. #4effff
  3. #4ea6ff

Triadic

  1. #4effff
  2. #ff4eff
  3. #ffff4e

Tetradic

  1. #4effff
  2. #4e4eff
  3. #ff4e4e
  4. #ffff4e

Square

  1. #4effff
  2. #a64eff
  3. #ff4e4e
  4. #a6ff4e

Monochromatic

  1. #00b4b4
  2. #01ffff
  3. #4effff
  4. #9affff
  5. #e7ffff

Shades

#4effff mixed progressively with black.

  1. #4effff
  2. #46e6e6
  3. #3ecccc
  4. #37b3b3
  5. #2f9999
  6. #278080
  7. #1f6666
  8. #174d4d
  9. #103333
  10. #081a1a
  11. #000000

Tints

#4effff mixed progressively with white.

  1. #4effff
  2. #60ffff
  3. #71ffff
  4. #83ffff
  5. #95ffff
  6. #a7ffff
  7. #b8ffff
  8. #caffff
  9. #dcffff
  10. #edffff
  11. #ffffff

Tones

#4effff mixed progressively with gray.

  1. #4effff
  2. #53f2f2
  3. #58e6e6
  4. #5dd9d9
  5. #62cccc
  6. #67c0c0
  7. #6cb3b3
  8. #71a6a6
  9. #769999
  10. #7b8d8d
  11. #808080

Readable text 1.23:1 AA ✕ AA Large ✕ AAA ✕ AAA Large ✕
Readable text 17.07:1 AA ✓ AA Large ✓ AAA ✓ AAA Large ✓

Achromatopsia #e8e8e8 ≈ 0.003% of males
Achromatomaly #bef1f1 ≈ 0.001% of males
Protanopia #eff3ff ≈ 1.01% of males
Deuteranopia #d4dfff ≈ 1.27% of males
Tritanopia #00ffff ≈ 0.0001% of males
Protanomaly #c3f8ff ≈ 1.08% of males
Deuteranomaly #afedff ≈ 4.63% of males
Tritanomaly #00ffff ≈ 0.0002% of males
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Text in this color

Background in this color

Border in this color

Text color
.text-4effff {
  color: #4effff;
}
Background
.bg-4effff {
  background-color: #4effff;
  color: #000000;
}
Border
.border-4effff {
  border: 2px solid #4effff;
}
CSS variables
:root {
  --color-primary: #4effff;
  --color-primary-rgb: 78 255 255;
  --color-primary-hsl: 180 100% 65%;
}
Gradient
.gradient-4effff {
  background: linear-gradient(135deg, #4effff, #4ea6ff);
}
Colored shadow
.shadow-4effff {
  box-shadow: 0 8px 24px rgb(78 255 255 / 0.35);
}

#00ffff Aqua ΔE 1.63 #00ffff Cyan ΔE 1.63 #7df9ff Electric Blue ΔE 4.18 #00ffef Turquoise Blue ΔE 5.44 #08e8de Bright Turquoise ΔE 6.38 #b2ffff Celeste ΔE 8.38 #40e0d0 Turquoise ΔE 8.76 #b10000 Inverted #e8e8e8 Grayscale 

Aqua
#4effff  rgb(78, 255, 255)  hsl(180, 100%, 65%)  Aqua
#ff4e4e  rgb(255, 78, 78)  hsl(0, 100%, 65%)  Pastel Red
#ff4eff  rgb(255, 78, 255)  hsl(300, 100%, 65%)  Fuchsia
#ffff4e  rgb(255, 255, 78)  hsl(60, 100%, 65%)  Daffodil