Information about #ADD821 color

#ADD821 color image

Basic facts about this digital color

In the Register's classification, #ADD821 belongs to the Yellow Color Family, featuring High Saturation and Light brightness. The mix behind it: rgb(173, 216, 33) — 67.8% red, 84.7% green, 12.9% blue; the print equivalent is CMYK 17 / 0 / 72 / 15. New to color codes? See our guide to RGB color codes.

The color #ADD821 reads as a vivid, lively sunny yellow and sits on the lighter side of the spectrum. Designers typically reach for tones like this for bold branding moments and attention-grabbing details. In The Official Register of Color Names it is just a few steps away from Yellowish Green (#B0DD16). Nearby in the Register you will also find Lickety Split (#A3D92D) and Inch Worm (#B0E313).

The recipe behind #ADD821 is rgb(173, 216, 33), with green as the dominant ingredient. If you plan to put text on a #ADD821 background, choose black — the contrast ratio is 12.6:1 (passing WCAG AAA), while white manages only 1.7:1. Out of 16,777,216 possible colors, #ADD821 is still unnamed — it can be claimed and named in The Official Register of Color Names.

#ADD821 color variations

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

#ADD821 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 #ADD821

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

Inch Worm color link
Inch Worm

#B0E313

Rio Grande color link
Rio Grande

#B7C61A

Jardin Green color link
Jardin Green

#A5CF35

Key Lime Pie color link
Key Lime Pie

#BFC921

Spritzer color link
Spritzer

#C2E225

Fuego color link
Fuego

#C2D62E

Bahia color link
Bahia

#A9C01C

Acid Green color link
Acid Green

#B0BF1A

Pea color link
Pea

#A4BF20

Conversions between color systems and etc.

  • HEX#ADD821
  • RGB173, 216, 33
  • CMYK17, 0, 72, 15
  • CSSrgb(173, 216, 33)
  • HSL74°, 73%, 49%
  • HSL Precise74.098°, 73.494%, 48.824%
  • HSV74°, 85%, 85%
  • HSB74°, 85%, 85%
  • Normalized R (0.0–1.0)0.678
  • Normalized G (0.0–1.0)0.847
  • Normalized B (0.0–1.0)0.129
  • GLSLvec3(0.678, 0.847, 0.129)
  • GLSL with alphavec4(0.678, 0.847, 0.129, 1.000)
  • HLSL / Metalfloat3(0.678, 0.847, 0.129)
  • Percentage of Red in RGB67.8%
  • Percentage of Green in RGB84.7%
  • Percentage of Blue in RGB12.9%
  • Color FamilyYellow
  • Saturation FamilyHigh Saturation
  • Lightness FamilyLight
  • HEX IDADD821
  • DECIMAL ID11393057
  • Name LengthThis color has no name
  • Seen by search & AI crawlers13 times
  • Counting from2025-01-01