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#4FD9EF

#4fd9ef ≈ Sky Blue

  • cyan
  • Lightness: high
  • Saturation: strong
  • Cool
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#4fd9ef is a color from the cyan family, with high lightness and strong saturation. In the RGB model it is made of 30.98% red, 85.1% green and 93.73% blue; printed in CMYK it uses 66.95% cyan, 9.21% magenta, 0% yellow and 6.27% black. Its hue angle is 188.25°, with 83.33% saturation and 62.35% 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 12.5:1 (WCAG AAA). The closest named color is Sky Blue (#87ceeb), ΔE 7.98.

Description generated from the measured properties of this color.

HEX
RGB
RGB percent
CMY
CMYK
HSL
HSV / HSB
Web safe#66ccff
CIE-LAB
XYZ
xyY
CIE-LCH
CIE-LUV
Hunter-Lab
OKLab
Binary
Decimal
Relative luminance0.5752

Complementary

  1. #4fd9ef
  2. #ef654f

Split complementary

  1. #4fd9ef
  2. #ef4f89
  3. #efb54f

Analogous

  1. #4fefb5
  2. #4fd9ef
  3. #4f89ef

Triadic

  1. #4fd9ef
  2. #ef4fd9
  3. #d9ef4f

Tetradic

  1. #4fd9ef
  2. #654fef
  3. #ef654f
  4. #d9ef4f

Square

  1. #4fd9ef
  2. #b54fef
  3. #ef654f
  4. #89ef4f

Monochromatic

  1. #0e8497
  2. #14c2dd
  3. #4fd9ef
  4. #95e8f5
  5. #dbf7fc

Shades

#4fd9ef mixed progressively with black.

  1. #4fd9ef
  2. #47c3d7
  3. #3faebf
  4. #3798a7
  5. #2f828f
  6. #286d78
  7. #205760
  8. #184148
  9. #102b30
  10. #081618
  11. #000000

Tints

#4fd9ef mixed progressively with white.

  1. #4fd9ef
  2. #61ddf1
  3. #72e1f2
  4. #84e4f4
  5. #95e8f5
  6. #a7ecf7
  7. #b9f0f9
  8. #caf4fa
  9. #dcf7fc
  10. #edfbfd
  11. #ffffff

Tones

#4fd9ef mixed progressively with gray.

  1. #4fd9ef
  2. #54d0e4
  3. #59c7d9
  4. #5ebece
  5. #63b5c3
  6. #68adb8
  7. #6ca4ac
  8. #719ba1
  9. #769296
  10. #7b898b
  11. #808080

Readable text 1.68:1 AA ✕ AA Large ✕ AAA ✕ AAA Large ✕
Readable text 12.5:1 AA ✓ AA Large ✓ AAA ✓ AAA Large ✓

Achromatopsia #c8c8c8 ≈ 0.003% of males
Achromatomaly #a5cfd9 ≈ 0.001% of males
Protanopia #c6d1f0 ≈ 1.01% of males
Deuteranopia #afc0ef ≈ 1.27% of males
Tritanopia #00e3e0 ≈ 0.0001% of males
Protanomaly #a4d4f0 ≈ 1.08% of males
Deuteranomaly #92cbef ≈ 4.63% of males
Tritanomaly #00dfe6 ≈ 0.0002% of males
Simulate on your own image

Text in this color

Background in this color

Border in this color

Text color
.text-4fd9ef {
  color: #4fd9ef;
}
Background
.bg-4fd9ef {
  background-color: #4fd9ef;
  color: #000000;
}
Border
.border-4fd9ef {
  border: 2px solid #4fd9ef;
}
CSS variables
:root {
  --color-primary: #4fd9ef;
  --color-primary-rgb: 79 217 239;
  --color-primary-hsl: 188 83% 62%;
}
Gradient
.gradient-4fd9ef {
  background: linear-gradient(135deg, #4fd9ef, #4f89ef);
}
Colored shadow
.shadow-4fd9ef {
  box-shadow: 0 8px 24px rgb(79 217 239 / 0.35);
}

#87ceeb Sky Blue ΔE 7.98 #00ced1 Dark Turquoise ΔE 8.09 #a4dded Non-Photo Blue ΔE 8.70 #7df9ff Electric Blue ΔE 8.81 #89cff0 Baby Blue ΔE 8.97 #00cccc Robin Egg Blue ΔE 9.20 #48d1cc Medium Turquoise ΔE 9.66 #b02610 Inverted #c8c8c8 Grayscale 

Sky Blue
#4fd9ef  rgb(79, 217, 239)  hsl(188, 83%, 62%)  Sky Blue
#ef654f  rgb(239, 101, 79)  hsl(8, 83%, 62%)  Tomato
#ef4fd9  rgb(239, 79, 217)  hsl(308, 83%, 62%)  Orchid
#d9ef4f  rgb(217, 239, 79)  hsl(68, 83%, 62%)  Pear