Named color

Nebula

#a104c3

hex#a104c3

rgbrgb(161, 4, 195)

hslhsl(289, 96%, 39%)

oklchoklch(0.522 0.251 318.2)

Relative luminance 0.116

Cool Vivid Technical Modern

Open in palette tool Check contrast

Nebula 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

b905e1 ce0afa d428fb da46fb e064fc e57dfc eb9bfd f1b9fe f7d7fe fdf5ff

Shades — toward black

9404b4 8303a0 770391 67037d 5a026e 4a025a 3e024b 2d0137 210128 100014

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

Harmonies

Complementary

Open in tool →

a104c3 27c304

#27c304

Analogous

Open in tool →

a104c3 4004c3 c30486

#4004c3 · #c30486

Triadic

Open in tool →

a104c3 c3a004 04c3a0

#c3a004 · #04c3a0

Split-complementary

Open in tool →

a104c3 86c304 04c340

#86c304 · #04c340

Tetradic

Open in tool →

a104c3 c34004 27c304 0486c3

#c34004 · #27c304 · #0486c3

Contrast

Nebula as text	Ratio	AA	AA large	AAA	Fix
Aaon white	6.32:1	pass	pass	fail	AAA: use #9404b4 as the text (7.15:1)
Aaon black	3.32:1	fail	pass	fail	AA: use #c505f0 as the text (4.65:1) AAA: use #df5ffc as the text (7.18:1) AA: or shift the background to #dbdbdb (4.57:1)

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

Nebula reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

Technical fonts →Modern fonts →

mcpConnect your agent — build around Nebula

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 #a104c3 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/a104c3-be9fc1-a8cb62-2d1f2a-ece9f1?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