al_color_lch(3alleg5)

💖 NAME 💖

al_color_lch — it's giving Allegro 5 API, bestie ✨

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🌈 SYNOPSIS 🌈

#include <allegro5/allegro_color.h>

ALLEGRO_COLOR al_color_lch(float l, float c, float h)

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🎀 DESCRIPTION 🎀

Okay so this one hands you back an ALLEGRO_COLOR(3alleg5) struct, built from CIE LCH values. Slay 💅

LCH colors are lowkey super similar to HSL — same meaning for L and H, and C does the job that S does. But here's the tea: LCH is way more visually uniform. Like, the gradients actually look even. Iconic behavior fr fr.

⚠️ And heads up bestie, this is the part that gets people: this function wants the angle for H in radians, not degrees. Not me accidentally passing degrees and getting a whole different vibe 😭

So the CIE LCH color space? It's a cylindrical representation of the L*a*b* color space. The L component stays exactly the same, and C and H get computed like this:

C = sqrt(a * a + b * b)
H = atan2(b, a)

Math ate that, no cap 🧮✨

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🦋 SINCE 🦋

5.2.3 — she's been here a minute, and she's still serving 👑

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🌸 SEE ALSO 🌸

• al_color_lch_to_rgb(3alleg5)
• al_color_rgb_to_lch(3alleg5)

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And that's the whole page, babe — straight out of the Allegro reference manual, page al_color_lch(3alleg5). Go convert some colors, you've got this 💜🎀