Named color

Cousteau

#55a9d6

hex#55a9d6

rgbrgb(85, 169, 214)

hslhsl(201, 61%, 59%)

oklchoklch(0.701 0.105 234.4)

Relative luminance 0.3516

Cool Vivid Technical Modern

Open in palette tool Check contrast

Cousteau 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

67b2da 78bade 88c3e2 98cbe6 a9d3ea b5d9ed c6e2f1 d6eaf5 e6f2f9 f7fbfd

Shades — toward black

429fd1 3091c5 2b82b1 257098 206183 1a4e6b 153f56 0f2d3e 0a1e29 040c10

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

Harmonies

Complementary

Open in tool →

55a9d6 d68357

#d68357

Analogous

Open in tool →

55a9d6 57d6c3 576ad6

#57d6c3 · #576ad6

Triadic

Open in tool →

55a9d6 d657aa aad657

#d657aa · #aad657

Split-complementary

Open in tool →

55a9d6 d6576a d6c357

#d6576a · #d6c357

Tetradic

Open in tool →

55a9d6 c357d6 d68357 6ad657

#c357d6 · #d68357 · #6ad657

Contrast

Cousteau as text	Ratio	AA	AA large	AAA	Fix
Aaon white	2.61:1	fail	fail	fail	AA: use #297ca8 as the text (4.62:1) AAA: use #1f5e7f as the text (7.08:1) AA: or shift the background to #363636 (4.62:1) AAA: or shift the background to #141414 (7.05:1)
Aaon black	8.03:1	pass	pass	pass	Passes AAA — no fix needed.

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

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

Technical fonts →Modern fonts →

mcpConnect your agent — build around Cousteau

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 #55a9d6 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/55a9d6-9cb1c4-df4e62-1f222d-e9f1f0?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