ColorTool
Log in
#21EFC8

#21efc8 ≈ Aquamarine

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

#21efc8 is a color from the teal family, with medium lightness and vivid saturation. In the RGB model it is made of 12.94% red, 93.73% green and 78.43% blue; printed in CMYK it uses 86.19% cyan, 0% magenta, 16.32% yellow and 6.27% black. Its hue angle is 168.64°, with 86.55% saturation and 53.33% 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 14.25:1 (WCAG AAA). The closest named color is Aquamarine (#7fffd4), ΔE 5.96.

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 luminance0.6623

Complementary

  1. #21efc8
  2. #ef2148

Split complementary

  1. #21efc8
  2. #ef21af
  3. #ef6121

Analogous

  1. #21ef61
  2. #21efc8
  3. #21afef

Triadic

  1. #21efc8
  2. #c821ef
  3. #efc821

Tetradic

  1. #21efc8
  2. #2148ef
  3. #ef2148
  4. #efc821

Square

  1. #21efc8
  2. #6121ef
  3. #ef2148
  4. #afef21

Monochromatic

  1. #086f5b
  2. #0db696
  3. #21efc8
  4. #68f4da
  5. #b0f9eb

Shades

#21efc8 mixed progressively with black.

  1. #21efc8
  2. #1ed7b4
  3. #1abfa0
  4. #17a78c
  5. #148f78
  6. #117864
  7. #0d6050
  8. #0a483c
  9. #073028
  10. #031814
  11. #000000

Tints

#21efc8 mixed progressively with white.

  1. #21efc8
  2. #37f1ce
  3. #4df2d3
  4. #64f4d9
  5. #7af5de
  6. #90f7e4
  7. #a6f9e9
  8. #bcfaef
  9. #d3fcf4
  10. #e9fdfa
  11. #ffffff

Tones

#21efc8 mixed progressively with gray.

  1. #21efc8
  2. #2be4c1
  3. #34d9ba
  4. #3eceb2
  5. #47c3ab
  6. #51b8a4
  7. #5aac9d
  8. #64a196
  9. #6d968e
  10. #778b87
  11. #808080

Readable text 1.47:1 AA ✕ AA Large ✕ AAA ✕ AAA Large ✕
Readable text 14.25:1 AA ✓ AA Large ✓ AAA ✓ AAA Large ✓

Achromatopsia #d5d5d5 ≈ 0.003% of males
Achromatomaly #aae0d0 ≈ 0.001% of males
Protanopia #e6dfc6 ≈ 1.01% of males
Deuteranopia #cecdcb ≈ 1.27% of males
Tritanopia #00f2e4 ≈ 0.0001% of males
Protanomaly #b8e6c7 ≈ 1.08% of males
Deuteranomaly #a5dcca ≈ 4.63% of males
Tritanomaly #00f1d9 ≈ 0.0002% of males
Simulate on your own image

Text in this color

Background in this color

Border in this color

Text color
.text-21efc8 {
  color: #21efc8;
}
Background
.bg-21efc8 {
  background-color: #21efc8;
  color: #000000;
}
Border
.border-21efc8 {
  border: 2px solid #21efc8;
}
CSS variables
:root {
  --color-primary: #21efc8;
  --color-primary-rgb: 33 239 200;
  --color-primary-hsl: 169 87% 53%;
}
Gradient
.gradient-21efc8 {
  background: linear-gradient(135deg, #21efc8, #21afef);
}
Colored shadow
.shadow-21efc8 {
  box-shadow: 0 8px 24px rgb(33 239 200 / 0.35);
}

#7fffd4 Aquamarine ΔE 5.96 #40e0d0 Turquoise ΔE 7.04 #00ffef Turquoise Blue ΔE 7.74 #08e8de Bright Turquoise ΔE 8.50 #66cdaa Medium Aquamarine ΔE 8.81 #00cc99 Caribbean Green ΔE 9.27 #aaf0d1 Magic Mint ΔE 10.36 #de1037 Inverted #d5d5d5 Grayscale 

Aquamarine
#21efc8  rgb(33, 239, 200)  hsl(169, 87%, 53%)  Aquamarine
#ef2148  rgb(239, 33, 72)  hsl(349, 87%, 53%)  Amaranth
#c821ef  rgb(200, 33, 239)  hsl(289, 87%, 53%)  Electric Purple
#efc821  rgb(239, 200, 33)  hsl(49, 87%, 53%)  Jonquil