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#AFF31D

#aff31d ≈ Spring Bud

  • yellow-green
  • Lightness: medium
  • Saturation: vivid
  • Balanced
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#aff31d is a color from the yellow-green family, with medium lightness and vivid saturation. In the RGB model it is made of 68.63% red, 95.29% green and 11.37% blue; printed in CMYK it uses 27.98% cyan, 0% magenta, 88.07% yellow and 4.71% black. Its hue angle is 79.07°, with 89.92% saturation and 53.33% lightness in HSL. It sits between warm and cool, and is often associated with freshness, growth and vitality. 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 15.66:1 (WCAG AAA). The closest named color is Spring Bud (#a7fc00), ΔE 2.36.

Description generated from the measured properties of this color.

HEX
RGB
RGB percent
CMY
CMYK
HSL
HSV / HSB
Web safe#99ff33
CIE-LAB
XYZ
xyY
CIE-LCH
CIE-LUV
Hunter-Lab
OKLab
Binary
Decimal
Relative luminance0.733

Complementary

  1. #aff31d
  2. #611df3

Split complementary

  1. #aff31d
  2. #1d44f3
  3. #cc1df3

Analogous

  1. #f3cc1d
  2. #aff31d
  3. #44f31d

Triadic

  1. #aff31d
  2. #1daff3
  3. #f31daf

Tetradic

  1. #aff31d
  2. #1df361
  3. #611df3
  4. #f31daf

Square

  1. #aff31d
  2. #1df3cc
  3. #611df3
  4. #f31d44

Monochromatic

  1. #4f7106
  2. #82ba0a
  3. #aff31d
  4. #c9f766
  5. #e2fbae

Shades

#aff31d mixed progressively with black.

  1. #aff31d
  2. #9edb1a
  3. #8cc217
  4. #7baa14
  5. #699211
  6. #587a0f
  7. #46610c
  8. #354909
  9. #233106
  10. #121803
  11. #000000

Tints

#aff31d mixed progressively with white.

  1. #aff31d
  2. #b7f434
  3. #bff54a
  4. #c7f761
  5. #cff877
  6. #d7f98e
  7. #dffaa5
  8. #e7fbbb
  9. #effdd2
  10. #f7fee8
  11. #ffffff

Tones

#aff31d mixed progressively with gray.

  1. #aff31d
  2. #aae827
  3. #a6dc31
  4. #a1d13b
  5. #9cc545
  6. #98ba4f
  7. #93ae58
  8. #8ea362
  9. #89976c
  10. #858c76
  11. #808080

Readable text 1.34:1 AA ✕ AA Large ✕ AAA ✕ AAA Large ✕
Readable text 15.66:1 AA ✓ AA Large ✓ AAA ✓ AAA Large ✓

Achromatopsia #dedede ≈ 0.003% of males
Achromatomaly #cde7b2 ≈ 0.001% of males
Protanopia #ffe100 ≈ 1.01% of males
Deuteranopia #f7dd3c ≈ 1.27% of males
Tritanopia #b6e7cf ≈ 0.0001% of males
Protanomaly #e4e900 ≈ 1.08% of males
Deuteranomaly #dee632 ≈ 4.63% of males
Tritanomaly #b3eca6 ≈ 0.0002% of males
Simulate on your own image

Text in this color

Background in this color

Border in this color

Text color
.text-aff31d {
  color: #aff31d;
}
Background
.bg-aff31d {
  background-color: #aff31d;
  color: #000000;
}
Border
.border-aff31d {
  border: 2px solid #aff31d;
}
CSS variables
:root {
  --color-primary: #aff31d;
  --color-primary-rgb: 175 243 29;
  --color-primary-hsl: 79 90% 53%;
}
Gradient
.gradient-aff31d {
  background: linear-gradient(135deg, #aff31d, #44f31d);
}
Colored shadow
.shadow-aff31d {
  box-shadow: 0 8px 24px rgb(175 243 29 / 0.35);
}

#a7fc00 Spring Bud ΔE 2.36 #adff2f Green Yellow ΔE 2.82 #ccff00 Electric Lime ΔE 4.60 #b2ec5d Inchworm ΔE 4.99 #7cfc00 Lawn Green ΔE 6.11 #7fff00 Chartreuse ΔE 6.11 #dfff00 Chartreuse Yellow ΔE 7.44 #500ce2 Inverted #dedede Grayscale 

Spring Bud
#aff31d  rgb(175, 243, 29)  hsl(79, 90%, 53%)  Spring Bud
#611df3  rgb(97, 29, 243)  hsl(259, 90%, 53%)  Han Purple
#1daff3  rgb(29, 175, 243)  hsl(199, 90%, 53%)  Deep Sky Blue
#f31daf  rgb(243, 29, 175)  hsl(319, 90%, 53%)  Shocking Pink