#152321 as text	Ratio	AA	AA large	AAA	Fix
Aaon white	16.23:1	pass	pass	pass	Passes AAA — no fix needed.
Aaon black	1.29:1	fail	fail	fail	AA: use #4d8078 as the text (4.67:1) AAA: use #63a198 as the text (7.08:1) AA: or shift the background to #878787 (4.52:1) AAA: or shift the background to #ababab (7.07:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #152321 as the background.

Brands using this color

Palettes built around it

10b981 134e4a f59e0b ffffff 10231b

Mint Modern

Open in tool →

Emerald as a primary rather than a success color, anchored by deep teal text — fresh, friendly, and fintech-adjacent.

Modern Clean FriendlyFintech

ff6b35 ffd166 06d6a0 ffffff 1f1f1f

Fresh Juice

Open in tool →

Orange, mango and mint — a sugar rush; keep the type black so it stays legible under all that color.

Playful Vivid LightFood

8fae6a 6b7a5a d9a05b 1b2419 e9e6dc

Forest Floor

Open in tool →

Moss and bark with a mushroom-cap amber — grounded and quiet, made for long-form nature content.

Dark Muted WarmOutdoors

1f4d3a 8aa39b d98c3f f7f7f4 1c2321

Paper & Pine

Open in tool →

Deep pine on paper-white with a marmalade accent — a quiet, sustainable-brand palette that isn't beige.

Minimal Cool Clean Muted

Fonts for this mood

#152321 reads as muted, dark, luxury. The font library is tagged with the same vocabulary:

Luxury fonts →Bold fonts →

mcpConnect your agent — build around #152321

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 #152321 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/152321-a2bebd-d459a7-1f292d-e9f1ec?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