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#21EF63

#21ef63 ≈ Spring Green

  • green
  • Lightness: medium
  • Saturation: vivid
  • Balanced
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#21ef63 is a color from the green family, with medium lightness and vivid saturation. In the RGB model it is made of 12.94% red, 93.73% green and 38.82% blue; printed in CMYK it uses 86.19% cyan, 0% magenta, 58.58% yellow and 6.27% black. Its hue angle is 139.22°, with 86.55% saturation and 53.33% 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 call-to-action buttons. Black text on this color reaches a contrast ratio of 13.59:1 (WCAG AAA). The closest named color is Spring Green (#00ff7f), ΔE 4.08.

Description generated from the measured properties of this color.

HEX
RGB
RGB percent
CMY
CMYK
HSL
HSV / HSB
Web safe#33ff66
CIE-LAB
XYZ
xyY
CIE-LCH
CIE-LUV
Hunter-Lab
OKLab
Binary
Decimal
Relative luminance0.6296

Complementary

  1. #21ef63
  2. #ef21ad

Split complementary

  1. #21ef63
  2. #ca21ef
  3. #ef2146

Analogous

  1. #46ef21
  2. #21ef63
  3. #21efca

Triadic

  1. #21ef63
  2. #6321ef
  3. #ef6321

Tetradic

  1. #21ef63
  2. #21adef
  3. #ef21ad
  4. #ef6321

Square

  1. #21ef63
  2. #2146ef
  3. #ef21ad
  4. #efca21

Monochromatic

  1. #086f29
  2. #0db643
  3. #21ef63
  4. #68f495
  5. #b0f9c7

Shades

#21ef63 mixed progressively with black.

  1. #21ef63
  2. #1ed759
  3. #1abf4f
  4. #17a745
  5. #148f3b
  6. #117832
  7. #0d6028
  8. #0a481e
  9. #073014
  10. #03180a
  11. #000000

Tints

#21ef63 mixed progressively with white.

  1. #21ef63
  2. #37f173
  3. #4df282
  4. #64f492
  5. #7af5a1
  6. #90f7b1
  7. #a6f9c1
  8. #bcfad0
  9. #d3fce0
  10. #e9fdef
  11. #ffffff

Tones

#21ef63 mixed progressively with gray.

  1. #21ef63
  2. #2be466
  3. #34d969
  4. #3ece6c
  5. #47c36f
  6. #51b872
  7. #5aac74
  8. #64a177
  9. #6d967a
  10. #778b7d
  11. #808080

Readable text 1.55:1 AA ✕ AA Large ✕ AAA ✕ AAA Large ✕
Readable text 13.59:1 AA ✓ AA Large ✓ AAA ✓ AAA Large ✓

Achromatopsia #d0d0d0 ≈ 0.003% of males
Achromatomaly #a6ddaf ≈ 0.001% of males
Protanopia #f2d954 ≈ 1.01% of males
Deuteranopia #ddca6f ≈ 1.27% of males
Tritanopia #00ead1 ≈ 0.0001% of males
Protanomaly #c2e25b ≈ 1.08% of males
Deuteranomaly #b1da6a ≈ 4.63% of males
Tritanomaly #00ecaf ≈ 0.0002% of males
Simulate on your own image

Text in this color

Background in this color

Border in this color

Text color
.text-21ef63 {
  color: #21ef63;
}
Background
.bg-21ef63 {
  background-color: #21ef63;
  color: #000000;
}
Border
.border-21ef63 {
  border: 2px solid #21ef63;
}
CSS variables
:root {
  --color-primary: #21ef63;
  --color-primary-rgb: 33 239 99;
  --color-primary-hsl: 139 87% 53%;
}
Gradient
.gradient-21ef63 {
  background: linear-gradient(135deg, #21ef63, #21efca);
}
Colored shadow
.shadow-21ef63 {
  box-shadow: 0 8px 24px rgb(33 239 99 / 0.35);
}

#00ff7f Spring Green ΔE 4.08 #0bda51 Malachite ΔE 4.80 #77dd77 Pastel Green ΔE 6.64 #00fa9a Medium Spring Green ΔE 7.13 #00ff00 Lime ΔE 7.31 #39ff14 Neon Green ΔE 7.44 #90ee90 Light Green ΔE 7.81 #de109c Inverted #d0d0d0 Grayscale 

Spring Green
#21ef63  rgb(33, 239, 99)  hsl(139, 87%, 53%)  Spring Green
#ef21ad  rgb(239, 33, 173)  hsl(319, 87%, 53%)  Shocking Pink
#6321ef  rgb(99, 33, 239)  hsl(259, 87%, 53%)  Han Purple
#ef6321  rgb(239, 99, 33)  hsl(19, 87%, 53%)  Persimmon