Crayon Box
Open in tool →Red, teal and yellow at crayon saturation — joyful, but on white with black type so it stays readable for grown-ups.
Color
#19ccc3rgb(25, 204, 195)hsl(177, 78%, 45%)oklch(0.764 0.129 189.1)Charcoal, Blue and Deep Sky Blue lead the list. Each partner is a real named colour with the reason it works — a wheel relationship, a neutral that carries it, or a pairing lifted from a palette or brand system that actually shipped — and every pair opens in the palette tool.
Charcoal is the text near-black for #19ccc3: softer than #000 and cool enough to feel like part of the same palette.
4 real palettes, including Canva's brand system and Unity's brand system put Blue beside #19ccc3, as the accent.
Deep Sky Blue is #19ccc3's neighbour on the wheel, so the two read as one family — use it for hover states, gradients and secondary surfaces.
Designers have shipped Dodger Blue with #19ccc3: 4 real palettes, including Unity's brand system and Patreon's brand system, as the lead colour.
Royal Blue is paired with #19ccc3 in 4 real palettes, including Docker's brand system and Khan Academy's brand system, as the supporting colour.
Taupe is paired with #19ccc3 in 14 real palettes, including Crayon Box and Resort, as the text colour against it.
4 real palettes, including Crayon Box and Fresh Juice put Tomato beside #19ccc3, as the lead colour.
Designers have shipped Wheat with #19ccc3: 5 real palettes, including Resort and Oatly's brand system, as the accent.
| #19ccc3 as text | Ratio | AA | AA large | AAA | Fix |
|---|---|---|---|---|---|
Aaon white | 2.01:1 | fail | fail | fail | |
Aaon black | 10.47:1 | 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 #19ccc3 as the background.
No public brand in the corpus uses this exact color yet. Extract a brand to add one.
Point any MCP client at the shared colors endpoint and your agent gets the same engine as this page — direct_palette, edit_direction, check_palette, check_contrast — read-only, no key. Every direction it proposes comes with a /colors/d/… link: open it, lock what you like, paste the link back, and the agent edits rather than re-rolls.
https://mcp.brandsweets.com/colors/mcpclaude mcp add --transport http brandsweets-colors https://mcp.brandsweets.com/colors/mcp
›analyze #19ccc3 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link
/palettes/new/19ccc3-a2bcbe-d4599b-1f282d-e9f1ed?lock=0&style=vibrantWant the agent to remember your picks and write them into a living brand? Create a free BrandSweets workspace.
Machine-readable: color.md