ColorTool
Log in
#21FFE4

#21ffe4 ≈ Turquoise Blue

  • teal
  • Lightness: medium
  • Saturation: vivid
  • Cool
Check contrast Explore in graph Random color

#21ffe4 is a color from the teal family, with medium lightness and vivid saturation. In the RGB model it is made of 12.94% red, 100% green and 89.41% blue; printed in CMYK it uses 87.06% cyan, 0% magenta, 10.59% yellow and 0% black. Its hue angle is 172.7°, with 100% saturation and 56.47% lightness in HSL. It is a cool color, often associated with clarity, calm and renewal. 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 16.49:1 (WCAG AAA). The closest named color is Turquoise Blue (#00ffef), ΔE 3.22.

Description generated from the measured properties of this color.

HEX
RGB
RGB percent
CMY
CMYK
HSL
HSV / HSB
Web safe#33ffcc
CIE-LAB
XYZ
xyY
CIE-LCH
CIE-LUV
Hunter-Lab
OKLab
Binary
Decimal
Relative luminance0.7744

Complementary

  1. #21ffe4
  2. #ff213c

Split complementary

  1. #21ffe4
  2. #ff21ab
  3. #ff7521

Analogous

  1. #21ff75
  2. #21ffe4
  3. #21abff

Triadic

  1. #21ffe4
  2. #e421ff
  3. #ffe421

Tetradic

  1. #21ffe4
  2. #213cff
  3. #ff213c
  4. #ffe421

Square

  1. #21ffe4
  2. #7521ff
  3. #ff213c
  4. #abff21

Monochromatic

  1. #008777
  2. #00d3ba
  3. #21ffe4
  4. #6dffed
  5. #bafff7

Shades

#21ffe4 mixed progressively with black.

  1. #21ffe4
  2. #1ee6cd
  3. #1accb6
  4. #17b3a0
  5. #149989
  6. #118072
  7. #0d665b
  8. #0a4d44
  9. #07332e
  10. #031a17
  11. #000000

Tints

#21ffe4 mixed progressively with white.

  1. #21ffe4
  2. #37ffe7
  3. #4dffe9
  4. #64ffec
  5. #7affef
  6. #90fff2
  7. #a6fff4
  8. #bcfff7
  9. #d3fffa
  10. #e9fffc
  11. #ffffff

Tones

#21ffe4 mixed progressively with gray.

  1. #21ffe4
  2. #2bf2da
  3. #34e6d0
  4. #3ed9c6
  5. #47ccbc
  6. #51c0b2
  7. #5ab3a8
  8. #64a69e
  9. #6d9994
  10. #778d8a
  11. #808080

Readable text 1.27:1 AA ✕ AA Large ✕ AAA ✕ AAA Large ✕
Readable text 16.49:1 AA ✓ AA Large ✓ AAA ✓ AAA Large ✓

Achromatopsia #e4e4e4 ≈ 0.003% of males
Achromatomaly #b7efe4 ≈ 0.001% of males
Protanopia #f3efe3 ≈ 1.01% of males
Deuteranopia #d8dce6 ≈ 1.27% of males
Tritanopia #00fff7 ≈ 0.0001% of males
Protanomaly #c3f6e3 ≈ 1.08% of males
Deuteranomaly #adebe5 ≈ 4.63% of males
Tritanomaly #00ffef ≈ 0.0002% of males
Simulate on your own image

Text in this color

Background in this color

Border in this color

Text color
.text-21ffe4 {
  color: #21ffe4;
}
Background
.bg-21ffe4 {
  background-color: #21ffe4;
  color: #000000;
}
Border
.border-21ffe4 {
  border: 2px solid #21ffe4;
}
CSS variables
:root {
  --color-primary: #21ffe4;
  --color-primary-rgb: 33 255 228;
  --color-primary-hsl: 173 100% 56%;
}
Gradient
.gradient-21ffe4 {
  background: linear-gradient(135deg, #21ffe4, #21abff);
}
Colored shadow
.shadow-21ffe4 {
  box-shadow: 0 8px 24px rgb(33 255 228 / 0.35);
}

#00ffef Turquoise Blue ΔE 3.22 #08e8de Bright Turquoise ΔE 6.73 #7fffd4 Aquamarine ΔE 6.92 #40e0d0 Turquoise ΔE 7.14 #00ffff Aqua ΔE 8.14 #00ffff Cyan ΔE 8.14 #aaf0d1 Magic Mint ΔE 11.27 #de001b Inverted #e4e4e4 Grayscale 

Turquoise Blue
#21ffe4  rgb(33, 255, 228)  hsl(173, 100%, 56%)  Turquoise Blue
#ff213c  rgb(255, 33, 60)  hsl(353, 100%, 56%)  Tractor Red
#e421ff  rgb(228, 33, 255)  hsl(293, 100%, 56%)  Fuchsia
#ffe421  rgb(255, 228, 33)  hsl(53, 100%, 56%)  Banana Yellow