The Collaborative International Dictionary of English v.0.48:

Tint \Tint\, n. [For older tinct, fr. L. tinctus, p. p. of
   tingere to dye: cf. F. teinte, teint, It. tinta, tinto. See
   Tinge, and cf. Taint to stain, a stain, Tent a kind of
   wine, Tinto.]
   A slight coloring. Specifically:
   [1913 Webster]
   (a) A pale or faint tinge of any color.
       [1913 Webster]

             Or blend in beauteous tints the colored mass.
                                                  --Pope.
       [1913 Webster]

             Their vigor sickens, and their tints decline.
                                                  --Harte.
       [1913 Webster]
   (b) A color considered with reference to other very similar
       colors; as, red and blue are different colors, but two
       shades of scarlet are different tints.
       [1913 Webster]
   (c) (Engraving) A shaded effect produced by the juxtaposition
       of many fine parallel lines.
       [1913 Webster]

   Tint tool (Eng.), a species of graver used for cutting the
      parallel lines which produce tints in engraving.
      [1913 Webster]

The Collaborative International Dictionary of English v.0.48:

Tint \Tint\, v. t. [imp. & p. p. Tinted; p. pr. & vb. n.
   Tinting.]
   To give a slight coloring to; to tinge.
   [1913 Webster]

WordNet (r) 3.0 (2006):

tint
    n 1: a quality of a given color that differs slightly from
         another color; "after several trials he mixed the shade of
         pink that she wanted" [syn: shade, tint, tincture,
         tone]
    v 1: color lightly; "her greying hair was tinged blond"; "the
         leaves were tinged red in November" [syn: tint, tinct,
         tinge, touch]

Moby Thesaurus II by Grady Ward, 1.0:

161 Moby Thesaurus words for "tint":
   Munsell chroma, achromatism, affect, apply paint, bedaub, bedizen,
   begild, besmear, brightness, brush on paint, burr, calcimine,
   cartoon, cast, chalk, charcoal, chiseling, chroma, chromatic color,
   chromaticity, chromatism, chromism, coat, color, color balance,
   color harmony, color quality, color scheme, colorant, coloration,
   colorimetric quality, coloring, complexion, cool color, copy,
   cover, crayon, cross-hatching, crosshatch, dab, dash, dash off,
   daub, decorator color, deep-dye, delineate, demitint, depict,
   design, diagram, dip, distemper, doodle, double-dye, draft, draw,
   dye, emblazon, enamel, engild, engravement, engraving, etch,
   etching, face, fast-dye, fresco, gem-engraving, gild,
   glass-cutting, glaze, gloss, glyptic, grain, graving, half tint,
   hatch, hatching, hint, hue, illuminate, imbue, incision, influence,
   infusion, ingrain, inkling, inscript, inscription, intimation,
   japan, key, lacquer, lay on color, lightness, limn, line, lining,
   marking, natural color, neutral color, paint, paint a picture,
   pallor, parget, pencil, picture, picturize, pigment, pigmentation,
   portray, prime, purity, rinse, saturation, sauce, score, scoring,
   scratch, scratching, scumble, seasoning, shade, shadow, shellac,
   sketch, skin color, slash, slashing, slop on paint, smack, smear,
   soupcon, spice, sprinkling, stain, stencil, stipple, stippling,
   suggestion, suspicion, taint, tempering, thought, tinct, tincture,
   tinge, tone, tooling, touch, touch up, trace, type-cutting,
   undercoat, undercolor, value, varnish, vestige, warm color, wash,
   whitewash



The Free On-line Dictionary of Computing (30 December 2018):

hue
tint

    (Or "tint") The coordinate in the HSB colour
   model that determines the frequency of light or the position
   in the spectrum or the relative amounts of red, green and
   blue.  Hue corresponds to the common definition of colour,
   e.g. "red", "orange", "violet" etc.  The other coordinates are
   saturation and brightness.

   (1999-07-05)


The Free On-line Dictionary of Computing (30 December 2018):

TINT

   Interpreted version of JOVIAL.

   [Sammet 1969, p. 528].