Color
#99da58
#99da58rgb(153, 218, 88)hsl(90, 64%, 60%)oklch(0.818 0.175 131.6)Colors that go with #99da58
Plum, Charcoal 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.
Plum #dda0dd
complementaryshippedPlum sits directly opposite #99da58 on the wheel — the strongest contrast one hue can give another, so use it small: a button, a link colour, one highlight.
Charcoal #36454f
neutralshippedCharcoal is the body-text near-black for #99da58: its slight blue cast keeps type crisp beside a warm colour where pure #000 looks heavy.
Deep Sky Blue #00bfff
triadicshippedDeep Sky Blue completes a triad with #99da58 — three hues spaced evenly round the wheel, the classic way to get energy into a palette without a clash.
Taupe #483c32
shippedTaupe is paired with #99da58 in 10 real palettes, including Citrus Grove and Acer's brand system, as the text colour against it.
Dark Orange #ff8c00
shippedDark Orange shows up next to #99da58 in 3 real palettes, including Citrus Grove and Learning App, as the lead colour.
Mustard Yellow #ffdb58
shipped3 real palettes, including Citrus Grove and Meadow put Mustard Yellow beside #99da58, as the accent.
Red #ff0000
shippedRed is paired with #99da58 in 3 real palettes, including Gatorade's brand system and Wise's brand system, as the supporting colour.
Royal Blue #4169e1
shippedRoyal Blue is paired with #99da58 in 3 real palettes, including MongoDB's brand system and Brilliant's brand system, as the supporting colour.
Real palettes that use #99da58
Tints & shades
Harmonies
Contrast
| #99da58 as text | Ratio | AA | AA large | AAA | Fix |
|---|---|---|---|---|---|
Aaon white | 1.68:1 | fail | fail | fail | |
Aaon black | 12.52:1 | 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 #99da58 as the background.
Brands using this color
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 #99da58 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link
/palettes/new/99da58-adbea2-514edf-202d1f-f1f1e9?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