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#FDFF21

#fdff21 ≈ Daffodil

  • yellow
  • Lightness: medium
  • Saturation: vivid
  • Warm
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#fdff21 is a color from the yellow family, with medium lightness and vivid saturation. In the RGB model it is made of 99.22% red, 100% green and 12.94% blue; printed in CMYK it uses 0.78% cyan, 0% magenta, 87.06% yellow and 0% black. Its hue angle is 60.54°, with 100% saturation and 56.47% lightness in HSL. It is a warm color, often associated with optimism, attention and joy. Designers typically use it for highlights and warnings, children's products and call-to-action buttons. Black text on this color reaches a contrast ratio of 19.5:1 (WCAG AAA). The closest named color is Daffodil (#ffff31), ΔE 0.66.

Description generated from the measured properties of this color.

HEX
RGB
RGB percent
CMY
CMYK
HSL
HSV / HSB
Web safe#ffff33
CIE-LAB
XYZ
xyY
CIE-LCH
CIE-LUV
Hunter-Lab
OKLab
Binary
Decimal
Relative luminance0.9251

Complementary

  1. #fdff21
  2. #2321ff

Split complementary

  1. #fdff21
  2. #218eff
  3. #9221ff

Analogous

  1. #ff9221
  2. #fdff21
  3. #8eff21

Triadic

  1. #fdff21
  2. #21fdff
  3. #ff21fd

Tetradic

  1. #fdff21
  2. #21ff23
  3. #2321ff
  4. #ff21fd

Square

  1. #fdff21
  2. #21ff92
  3. #2321ff
  4. #ff218e

Monochromatic

  1. #868700
  2. #d2d300
  3. #fdff21
  4. #feff6d
  5. #feffba

Shades

#fdff21 mixed progressively with black.

  1. #fdff21
  2. #e4e61e
  3. #cacc1a
  4. #b1b317
  5. #989914
  6. #7f8011
  7. #65660d
  8. #4c4d0a
  9. #333307
  10. #191a03
  11. #000000

Tints

#fdff21 mixed progressively with white.

  1. #fdff21
  2. #fdff37
  3. #fdff4d
  4. #feff64
  5. #feff7a
  6. #feff90
  7. #feffa6
  8. #feffbc
  9. #ffffd3
  10. #ffffe9
  11. #ffffff

Tones

#fdff21 mixed progressively with gray.

  1. #fdff21
  2. #f1f22b
  3. #e4e634
  4. #d8d93e
  5. #cbcc47
  6. #bfc051
  7. #b2b35a
  8. #a6a664
  9. #99996d
  10. #8d8d77
  11. #808080

Readable text 1.08:1 AA ✕ AA Large ✕ AAA ✕ AAA Large ✕
Readable text 19.5:1 AA ✓ AA Large ✓ AAA ✓ AAA Large ✓

Achromatopsia #f6f6f6 ≈ 0.003% of males
Achromatomaly #f9fac5 ≈ 0.001% of males
Protanopia #fff300 ≈ 1.01% of males
Deuteranopia #fff93d ≈ 1.27% of males
Tritanopia #ffeeda ≈ 0.0001% of males
Protanomaly #fff800 ≈ 1.08% of males
Deuteranomaly #fffb34 ≈ 4.63% of males
Tritanomaly #fff5af ≈ 0.0002% of males
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Text in this color

Background in this color

Border in this color

Text color
.text-fdff21 {
  color: #fdff21;
}
Background
.bg-fdff21 {
  background-color: #fdff21;
  color: #000000;
}
Border
.border-fdff21 {
  border: 2px solid #fdff21;
}
CSS variables
:root {
  --color-primary: #fdff21;
  --color-primary-rgb: 253 255 33;
  --color-primary-hsl: 61 100% 56%;
}
Gradient
.gradient-fdff21 {
  background: linear-gradient(135deg, #fdff21, #8eff21);
}
Colored shadow
.shadow-fdff21 {
  box-shadow: 0 8px 24px rgb(253 255 33 / 0.35);
}

#ffff31 Daffodil ΔE 0.66 #ffff00 Yellow ΔE 0.86 #fff700 Lemon ΔE 2.52 #fff600 Cadmium Yellow ΔE 2.78 #ffff66 Laser Lemon ΔE 4.35 #fcf75e Icterine ΔE 4.43 #fdee00 Aureolin ΔE 4.63 #0200de Inverted #f6f6f6 Grayscale 

Daffodil
#fdff21  rgb(253, 255, 33)  hsl(61, 100%, 56%)  Daffodil
#2321ff  rgb(35, 33, 255)  hsl(241, 100%, 56%)  Ultramarine
#21fdff  rgb(33, 253, 255)  hsl(181, 100%, 56%)  Aqua
#ff21fd  rgb(255, 33, 253)  hsl(301, 100%, 56%)  Fuchsia