#21efff Color Information

In a RGB color space, hex #21efff is composed of 12.9% red, 93.7% green and 100% blue. Whereas in a CMYK color space, it is composed of 87.1% cyan, 6.3% magenta, 0% yellow and 0% black. It has a hue angle of 184.3 degrees, a saturation of 100% and a lightness of 56.5%. #21efff color hex could be obtained by blending #42ffff with #00dfff. Closest websafe color is: #33ffff.

    • R 13
    • G 94
    • B 100
    RGB color chart
    • C 87
    • M 6
    • Y 0
    • K 0
    CMYK color chart

#21efff color description : Vivid cyan.

#21efff Color Conversion

The hexadecimal color #21efff has RGB values of R:33, G:239, B:255 and CMYK values of C:0.87, M:0.06, Y:0, K:0. Its decimal value is 2224127.

Hex triplet 21efff #21efff
RGB Decimal 33, 239, 255 rgb(33,239,255)
RGB Percent 12.9, 93.7, 100 rgb(12.9%,93.7%,100%)
CMYK 87, 6, 0, 0
HSL 184.3°, 100, 56.5 hsl(184.3,100%,56.5%)
HSV (or HSB) 184.3°, 87.1, 100
Web Safe 33ffff #33ffff
CIE-LAB 86.638, -40.025, -20.858
XYZ 49.538, 69.271, 105.362
xyY 0.221, 0.309, 69.271
CIE-LCH 86.638, 45.134, 207.525
CIE-LUV 86.638, -63.945, -27.604
Hunter-Lab 83.229, -39.408, -16.796
Binary 00100001, 11101111, 11111111

Color Schemes with #21efff

Complementary Color
Analogous Color
Split Complementary Color
Triadic Color
Tetradic Color
Monochromatic Color

Alternatives to #21efff

Below, you can see some colors close to #21efff. Having a set of related colors can be useful if you need an inspirational alternative to your original color choice.

Similar Colors

#21efff Preview

Text with hexadecimal color #21efff

This text has a font color of #21efff.

<span style="color:#21efff;">Text here</span>
#21efff background color

This paragraph has a background color of #21efff.

<p style="background-color:#21efff;">Content here</p>
#21efff border color

This element has a border color of #21efff.

<div style="border:1px solid #21efff;">Content here</div>
CSS codes
.text {color:#21efff;}
.background {background-color:#21efff;}
.border {border:1px solid #21efff;}

Shades and Tints of #21efff

A shade is achieved by adding black to any pure hue, while a tint is created by mixing white to any pure color. In this example, #000c0d is the darkest color, while #f9ffff is the lightest one.

Shade Color Variation
Tint Color Variation

Tones of #21efff

A tone is produced by adding gray to any pure hue. In this case, #879799 is the less saturated color, while #21efff is the most saturated one.

Tone Color Variation

Color Blindness Simulator

Below, you can see how #21efff is perceived by people affected by a color vision deficiency. This can be useful if you need to ensure your color combinations are accessible to color-blind users.

  • #b3b3b3 Achromatopsia 0.005% of the population
  • #96bfc2 Atypical Achromatopsia 0.001% of the population
  • #d7d9f1 Protanopia 1% of men
  • #d7d7ff Deuteranopia 1% of men
  • #4eeeff Tritanopia 0.001% of the population
  • #95e1f6 Protanomaly 1% of men, 0.01% of women
  • #95e0ff Deuteranomaly 6% of men, 0.4% of women
  • #3deeff Tritanomaly 0.01% of the population