Information about #51BB1F color

#51BB1F color image

Basic facts about this digital color

In the Register's classification, #51BB1F belongs to the Chartreuse Color Family, featuring High Saturation and Light brightness. In numbers: rgb(81, 187, 31) (31.8% red, 73.3% green, 12.2% blue), or CMYK 42 / 0 / 61 / 27 for print. New to color codes? See our guide to RGB color codes.

#51BB1F presents itself as a strongly colored yellow-green — one that feels open and friendly. In practice it works well for bold branding moments and attention-grabbing details. In The Official Register of Color Names it is almost identical to Kelly Green (#4CBB17). Its next-closest registered neighbors are Green Apple (#4CC417) and Cinnabar Green (#61B329).

The recipe behind #51BB1F is rgb(81, 187, 31), with green as the dominant ingredient. If you plan to put text on a #51BB1F background, choose black — the contrast ratio is 8.5:1 (passing WCAG AAA), while white manages only 2.5:1. No one has named #51BB1F so far. Register a name for it and it becomes a permanent record.

#51BB1F color variations

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

#51BB1F 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 #51BB1F

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

Kelly Green color link
Kelly Green

#4CBB17

Green Apple color link
Green Apple

#4CC417

Grass color link
Grass

#5CAC2D

Leafy Green color link
Leafy Green

#51B73B

Alien Green color link
Alien Green

#6CC417

Wham color link
Wham

#5FB33A

Alan Green color link
Alan Green

#5EB600

Kermit Green color link
Kermit Green

#5CB200

Leaf Green color link
Leaf Green

#5CA904

Conversions between color systems and etc.

  • HEX#51BB1F
  • RGB81, 187, 31
  • CMYK42, 0, 61, 27
  • CSSrgb(81, 187, 31)
  • HSL101°, 72%, 43%
  • HSL Precise100.769°, 71.56%, 42.745%
  • HSV101°, 83%, 73%
  • HSB101°, 83%, 73%
  • Normalized R (0.0–1.0)0.318
  • Normalized G (0.0–1.0)0.733
  • Normalized B (0.0–1.0)0.122
  • GLSLvec3(0.318, 0.733, 0.122)
  • GLSL with alphavec4(0.318, 0.733, 0.122, 1.000)
  • HLSL / Metalfloat3(0.318, 0.733, 0.122)
  • Percentage of Red in RGB31.8%
  • Percentage of Green in RGB73.3%
  • Percentage of Blue in RGB12.2%
  • Color FamilyChartreuse
  • Saturation FamilyHigh Saturation
  • Lightness FamilyLight
  • HEX ID51BB1F
  • DECIMAL ID5356319
  • Name LengthThis color has no name
  • Seen by search & AI crawlers11 times
  • Counting from2025-01-01