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#66EA99

#66ea99 ≈ Medium Spring Green

  • green
  • Lightness: high
  • Saturation: strong
  • Balanced
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#66ea99 is a color from the green family, with high lightness and strong saturation. In the RGB model it is made of 40% red, 91.76% green and 60% blue; printed in CMYK it uses 56.41% cyan, 0% magenta, 34.62% yellow and 8.24% black. Its hue angle is 143.18°, with 75.86% saturation and 65.88% lightness in HSL. It sits between warm and cool, and is often associated with nature, health and balance. Designers typically use it for eco-friendly brands, health and wellness and brand accents. Black text on this color reaches a contrast ratio of 13.79:1 (WCAG AAA). The closest named color is Medium Spring Green (#00fa9a), ΔE 4.86.

Description generated from the measured properties of this color.

HEX
RGB
RGB percent
CMY
CMYK
HSL
HSV / HSB
Web safe#66ff99
CIE-LAB
XYZ
xyY
CIE-LCH
CIE-LUV
Hunter-Lab
OKLab
Binary
Decimal
Relative luminance0.6397

Complementary

  1. #66ea99
  2. #ea66b7

Split complementary

  1. #66ea99
  2. #db66ea
  3. #ea6675

Analogous

  1. #75ea66
  2. #66ea99
  3. #66eadb

Triadic

  1. #66ea99
  2. #9966ea
  3. #ea9966

Tetradic

  1. #66ea99
  2. #66b7ea
  3. #ea66b7
  4. #ea9966

Square

  1. #66ea99
  2. #6675ea
  3. #ea66b7
  4. #eadb66

Monochromatic

  1. #16a14c
  2. #23e16c
  3. #66ea99
  4. #a9f3c6
  5. #edfcf3

Shades

#66ea99 mixed progressively with black.

  1. #66ea99
  2. #5cd38a
  3. #52bb7a
  4. #47a46b
  5. #3d8c5c
  6. #33754d
  7. #295e3d
  8. #1f462e
  9. #142f1f
  10. #0a170f
  11. #000000

Tints

#66ea99 mixed progressively with white.

  1. #66ea99
  2. #75eca3
  3. #85eead
  4. #94f0b8
  5. #a3f2c2
  6. #b3f5cc
  7. #c2f7d6
  8. #d1f9e0
  9. #e0fbeb
  10. #f0fdf5
  11. #ffffff

Tones

#66ea99 mixed progressively with gray.

  1. #66ea99
  2. #69df97
  3. #6bd594
  4. #6eca92
  5. #70c08f
  6. #73b58d
  7. #76aa8a
  8. #78a088
  9. #7b9585
  10. #7d8b83
  11. #808080

Readable text 1.52:1 AA ✕ AA Large ✕ AAA ✕ AAA Large ✕
Readable text 13.79:1 AA ✓ AA Large ✓ AAA ✓ AAA Large ✓

Achromatopsia #d1d1d1 ≈ 0.003% of males
Achromatomaly #b1dcbd ≈ 0.001% of males
Protanopia #ead994 ≈ 1.01% of males
Deuteranopia #d8cc9e ≈ 1.27% of males
Tritanopia #3de7d5 ≈ 0.0001% of males
Protanomaly #c3e096 ≈ 1.08% of males
Deuteranomaly #b5d99c ≈ 4.63% of males
Tritanomaly #50e8c0 ≈ 0.0002% of males
Simulate on your own image

Text in this color

Background in this color

Border in this color

Text color
.text-66ea99 {
  color: #66ea99;
}
Background
.bg-66ea99 {
  background-color: #66ea99;
  color: #000000;
}
Border
.border-66ea99 {
  border: 2px solid #66ea99;
}
CSS variables
:root {
  --color-primary: #66ea99;
  --color-primary-rgb: 102 234 153;
  --color-primary-hsl: 143 76% 66%;
}
Gradient
.gradient-66ea99 {
  background: linear-gradient(135deg, #66ea99, #66eadb);
}
Colored shadow
.shadow-66ea99 {
  box-shadow: 0 8px 24px rgb(102 234 153 / 0.35);
}

#00fa9a Medium Spring Green ΔE 4.86 #90ee90 Light Green ΔE 5.27 #77dd77 Pastel Green ΔE 6.02 #98fb98 Pale Green ΔE 6.65 #98ff98 Mint Green ΔE 7.23 #00ff7f Spring Green ΔE 7.41 #a8e4a0 Granny Smith Apple ΔE 7.97 #991566 Inverted #d1d1d1 Grayscale 

Medium Spring Green
#66ea99  rgb(102, 234, 153)  hsl(143, 76%, 66%)  Medium Spring Green
#ea66b7  rgb(234, 102, 183)  hsl(323, 76%, 66%)  Rose Pink
#9966ea  rgb(153, 102, 234)  hsl(263, 76%, 66%)  Medium Purple
#ea9966  rgb(234, 153, 102)  hsl(23, 76%, 66%)  Persian Orange