Named color

Amethyst

#9966cc

hex#9966cc

rgbrgb(153, 102, 204)

hslhsl(270, 50%, 60%)

oklchoklch(0.608 0.156 305.3)

Relative luminance 0.2063

Cool Modern

Open in palette tool Check contrast

Amethyst on this page is the real value, not a screenshot: exact hex, RGB, HSL and OKLCH, ten tints and ten shades, classic harmonies, and WCAG contrast with fixes — plus the curated palettes it appears in and any public brand that adopts it.

Tints & shades

Tints — toward white

a375d1 ad85d6 b590da bf9fdf c9afe4 d4bee9 decdee e6d9f2 f0e8f7 faf7fc

Shades — toward black

8a4fc4 7d3ebb 6e37a4 613091 52297a 422163 361b50 261339 1a0d26 0a050f

Every swatch is its own page — click any to analyze it.

Harmonies

Complementary

Open in tool →

9966cc 99cc66

#99cc66

Analogous

Open in tool →

9966cc 6666cc cc66cc

#6666cc · #cc66cc

Triadic

Open in tool →

9966cc cc9966 66cc99

#cc9966 · #66cc99

Split-complementary

Open in tool →

9966cc cccc66 66cc66

#cccc66 · #66cc66

Tetradic

Open in tool →

9966cc cc6666 99cc66 66cccc

#cc6666 · #99cc66 · #66cccc

Contrast

Amethyst as text	Ratio	AA	AA large	AAA	Fix
Aaon white	4.1:1	fail	pass	fail	AA: use #915bc8 as the text (4.63:1) AAA: use #7339ac as the text (7.22:1) AA: or shift the background to #121212 (4.57:1)
Aaon black	5.13:1	pass	pass	fail	AAA: use #ad85d6 as the text (7.1:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with Amethyst as the background.

Brands using this color

No public brand in the corpus uses this exact color yet. Extract a brand to add one.

Fonts for this mood

Amethyst reads as cool, modern. The font library is tagged with the same vocabulary:

Modern fonts →

mcpConnect your agent — build around Amethyst

live endpoint

Point any MCP client at the shared colors endpoint and your agent gets the same engine as this page — generate_palette, check_contrast, analyze_color — read-only, no key. Every palette it proposes comes with a /palettes/new/… link: open it, lock what you like, paste the link back.

endpointhttps://mcp.brandsweets.com/colors/mcp

claude mcp add --transport http brandsweets-colors https://mcp.brandsweets.com/colors/mcp

try this prompt

›analyze #9966cc and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/9966cc-b59cc4-c9cb62-2c1f2d-eae9f1?lock=0&style=vibrant

Want the agent to remember your picks and write them into a living brand? Create a free BrandSweets workspace.

Machine-readable: color.md