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Information about #A1FD21 color

#A1FD21 color image

Basic facts about this digital color

#A1FD21 falls into the Chartreuse Color Family — Full Saturation, Light brightness. Its exact recipe is rgb(161, 253, 33) — 63.1% red, 99.2% green, 12.9% blue — and for print it converts to CMYK 36 / 0 / 86 / 1. New to color codes? See our guide to RGB color codes.

The color #A1FD21 reads as a maximally vivid chartreuse and feels open and friendly. Designers typically reach for tones like this for accents, call-to-action elements and statement visuals. In The Official Register of Color Names it is a hair away from Vibrant Lime (#99FF1D). Its next-closest registered neighbors are Green Yellow (#ADFF2F) and Green Lizard (#A7F432).

Technically, the mix leans on its green channel (rgb(161, 253, 33)), which gives #A1FD21 its character. Accessibility-wise, black text works best on #A1FD21: 16.6:1 contrast (passing WCAG AAA) versus 1.3:1 for white. Out of 16,777,216 possible colors, #A1FD21 is still unnamed — it can be claimed and named in The Official Register of Color Names.

#A1FD21 color variations

View this color variations of tints, shades, tones and hues.

#A1FD21 color harmonies

Color harmonies are pleasing color schemes created according to their position on a color wheel.

Complementary

Complementary color schemes are made by picking two opposite colors con the color wheel. They appear vibrant near to each other.

Complementary color schemes

Split complementary

Split complementary schemes are like complementary but they uses two adiacent colors of the complement. They are more flexible than complementary ones.

Split complementary color scheme

Analogous

Analogous color schemes are made by picking three colors that are next to each other on the color wheel. They are perceived as calm and serene.

Analogous color scheme

Triadic

Triadic color schemes are created by picking three colors equally spaced on the color wheel. They appear quite contrasted and multicolored.

Triadic color scheme

Tetradic

Tetradic color schemes are made form two couples of complementary colors in a rectangular shape on the color wheel.

Tetradic color scheme

Square

Square color schemes are like tetradic arranged in a square instead of rectangle. Colors appear even more contrasting.

Square color scheme

Nearest named colors to #A1FD21

The closest officially registered color names in the Register, ordered by similarity — your shade’s neighborhood is already being claimed.

Conversions between color systems and etc.

  • HEX#A1FD21
  • RGB161, 253, 33
  • CMYK36, 0, 86, 1
  • CSSrgb(161, 253, 33)
  • HSL85°, 98%, 56%
  • HSL Precise85.091°, 98.214%, 56.078%
  • HSV85°, 87%, 99%
  • HSB85°, 87%, 99%
  • Normalized R (0.0–1.0)0.631
  • Normalized G (0.0–1.0)0.992
  • Normalized B (0.0–1.0)0.129
  • GLSLvec3(0.631, 0.992, 0.129)
  • GLSL with alphavec4(0.631, 0.992, 0.129, 1.000)
  • HLSL / Metalfloat3(0.631, 0.992, 0.129)
  • Percentage of Red in RGB63.1%
  • Percentage of Green in RGB99.2%
  • Percentage of Blue in RGB12.9%
  • Color FamilyChartreuse
  • Saturation FamilyFull Saturation
  • Lightness FamilyLight
  • HEX IDA1FD21
  • DECIMAL ID10616097
  • Name LengthThis color has no name
  • This page visited6 times
  • Counting from2025-01-01