Full-stack-skills ascii-ansi-colorizer

Add an ANSI color layer to existing ASCII/plain-text output (gradient/rainbow/highlights) with alignment-safe rules and a required no-color fallback. Use when the user wants to colorize terminal output, add rainbow effects to CLI text, or style ASCII art with ANSI colors.

install

source · Clone the upstream repo

git clone https://github.com/partme-ai/full-stack-skills

Claude Code · Install into ~/.claude/skills/

T=$(mktemp -d) && git clone --depth=1 https://github.com/partme-ai/full-stack-skills "$T" && mkdir -p ~/.claude/skills && cp -r "$T/skills/ascii-skills/ascii-ansi-colorizer" ~/.claude/skills/partme-ai-full-stack-skills-ascii-ansi-colorizer && rm -rf "$T"

manifest: skills/ascii-skills/ascii-ansi-colorizer/SKILL.md

When to use this skill

CRITICAL TRIGGER RULE

Use this skill ONLY when the user explicitly mentions the exact skill name:
```
ascii-ansi-colorizer
```
.

Trigger phrases include:

"ascii-ansi-colorizer"
"use ascii-ansi-colorizer"
"用 ascii-ansi-colorizer 给 ASCII 上色"
"使用 ascii-ansi-colorizer 做 ANSI 渐变/彩虹"

Boundary

This skill only adds color to existing text. It does not generate the ASCII art itself (pair with
```
ascii-cli-logo-banner
```
if needed).
Required outputs:
```
coloredText
```
+
```
plainTextFallback
```
.
ANSI must not break alignment: do not colorize spaces by default; colorize visible characters only.

How to use this skill

Inputs

textOrAscii (required)
palette (rainbow | gradient | brandColors)
direction (leftToRight | topToBottom, default leftToRight)
colorDepth (ansi16 | ansi256 | truecolor, default ansi256)
scope (logoOnly | highlightsOnly | fullText, default logoOnly)

Outputs (required)

coloredText: ANSI-colored output
plainTextFallback: no-color fallback (identical content, no ANSI)
compatNotes: copy/paste and redirection guidance (NO_COLOR / --no-color suggestions)

Steps

Pick
```
colorDepth
```
(default: ansi256).
Choose a stable coloring strategy:
- Column-wise gradients (leftToRight) are usually the safest
- Colorize non-space characters only
Output both
```
coloredText
```
and
```
plainTextFallback
```
.
Provide no-color guidance (semantic suggestions):
```
NO_COLOR
```
/
```
--no-color
```
.

Output Format

Outputs should be structured as three distinct text blocks:

coloredText:
  \033[38;5;33mH\033[38;5;34me\033[38;5;35ml\033[38;5;36ml\033[38;5;37mo\033[0m

plainTextFallback:
  Hello

compatNotes:
  - Respect NO_COLOR env var: if set, output plainTextFallback only
  - Support --no-color flag for CLI tools
  - Pipe/redirect: detect non-TTY and fall back to plain text

Workflow

Receive text input and validate it is non-empty
Select
```
colorDepth
```
(default ansi256) and
```
palette
```
Apply coloring to visible characters only (skip spaces to preserve alignment)
Generate both
```
coloredText
```
and
```
plainTextFallback
```
Validate: Strip ANSI codes from
```
coloredText
```
and compare with
```
plainTextFallback
```
— they must match

Script

```
scripts/colorize.py
```
: apply ANSI 256 gradient or rainbow to stdin

Examples

```
examples/gradient.md
```

Quality checklist

Removing ANSI keeps the same readable content (
```
plainTextFallback
```
).
Alignment does not change after coloring.
Colors should not overpower the informational lines.

Keywords

English: ascii-ansi-colorizer, ansi, color, gradient, rainbow, terminal, no-color, plain text, ascii 中文: ascii-ansi-colorizer, ANSI, 上色, 渐变, 彩虹, 终端, 无色回退, 纯文本, ASCII