# #ef5299

A color — warm, vivid, playful, bold. Deterministic analysis from BrandSweets (no inference).

## Values

- Hex: `#ef5299`
- RGB: rgb(239, 82, 153)
- HSL: hsl(333, 83%, 63%)
- OKLCH: oklch(0.67 0.202 356.1)
- Relative luminance: 0.2669
- Nearest named color: Flamboyant Flamingo (#f74480, Δ 3.779) — https://brandsweets.com/colors/flamboyant-flamingo
- Moods: warm, vivid, playful, bold
- Page: https://brandsweets.com/colors/ef5299

## Tints & shades

- Tints (toward white): #f165a4, #f273ac, #f486b7, #f594bf, #f7a6cb, #f8b4d3, #fac7de, #fbd5e6, #fde8f1, #fef6f9
- Shades (toward black): #ec3688, #ea1a78, #d21469, #b6115b, #9f0f50, #830c41, #670a33, #4b0725, #2f0417, #130209

## Harmonies

- Complementary: #52efa8
- Analogous: #ef52e7, #ef5a52
- Triadic: #99ef52, #5299ef
- Split-complementary: #52ef5a, #52e7ef
- Tetradic: #e7ef52, #52efa8, #5a52ef

## Colors that go with #ef5299

Named partners (harmony on the OKLCH wheel, co-occurrence in curated palettes and brand systems, and the neutrals that carry it), best first:

- **Charcoal** #36454f [role, pool] — Charcoal is the body-text near-black for #ef5299: its slight blue cast keeps type crisp beside a warm colour where pure #000 looks heavy. Seen in: Lido (https://brandsweets.com/palettes/vivid#lido), Frost & Ember (https://brandsweets.com/palettes/bold#frost-and-ember), Audi (https://brandsweets.com/colors/brands/audi-com), Beach Hut (https://brandsweets.com/palettes/light#beach-hut). — https://brandsweets.com/colors/charcoal
- **Light Sea Green** #20b2aa [harmony, pool: complementary] — Light Sea Green sits directly opposite #ef5299 on the wheel — the strongest contrast one hue can give another, so use it small: a button, a link colour, one highlight. Seen in: Lido (https://brandsweets.com/palettes/vivid#lido). — https://brandsweets.com/colors/lightseagreen
- **Crimson** #dc143c [pool] — Crimson is paired with #ef5299 in 5 real palettes, including The Ordinary's brand system and Target : Expect More. Pay Less.'s brand system, as the supporting colour. Seen in: The Ordinary (https://brandsweets.com/colors/brands/theordinary-com), Target : Expect More. Pay Less. (https://brandsweets.com/colors/brands/target-com), Snyk (https://brandsweets.com/colors/brands/snyk-io), Redfin (https://brandsweets.com/colors/brands/redfin-com). — https://brandsweets.com/colors/crimson
- **Taupe** #483c32 [pool] — Taupe is paired with #ef5299 in 4 real palettes, including Airbnb's brand system and Raycast's brand system, as the text colour against it. Seen in: Airbnb (https://brandsweets.com/colors/brands/airbnb), Raycast (https://brandsweets.com/colors/brands/raycast), Crayon Box (https://brandsweets.com/palettes/playful#crayon-box), Dunkin' (https://brandsweets.com/colors/brands/dunkindonuts-com). — https://brandsweets.com/colors/taupe
- **Tomato** #ff6347 [harmony, pool: analogous] — Tomato is #ef5299's neighbour on the wheel, so the two read as one family — use it for hover states, gradients and secondary surfaces. Seen in: Night Market (https://brandsweets.com/palettes/vivid#night-market), Sunset Boulevard (https://brandsweets.com/palettes/warm#sunset-boulevard), Airbnb (https://brandsweets.com/colors/brands/airbnb). — https://brandsweets.com/colors/tomato
- **Cadet Blue** #5f9ea0 [harmony, pool: split] — Cadet Blue is a split-complement of #ef5299: nearly opposite, so it still pops against it, without the vibrating edge of a true complement. Seen in: Diner (https://brandsweets.com/palettes/vivid#diner). — https://brandsweets.com/colors/cadetblue
- **Medium Sea Green** #3cb371 [harmony, pool: split] — Medium Sea Green is a split-complement of #ef5299: nearly opposite, so it still pops against it, without the vibrating edge of a true complement. Seen in: Terminal (https://brandsweets.com/palettes/technical#terminal). — https://brandsweets.com/colors/mediumseagreen
- **Cornflower Blue** #6495ed [harmony, pool: triadic] — Cornflower Blue completes a triad with #ef5299 — three hues spaced evenly round the wheel, the classic way to get energy into a palette without a clash. Seen in: Terminal (https://brandsweets.com/palettes/technical#terminal), Roblox (https://brandsweets.com/colors/brands/roblox-com). — https://brandsweets.com/colors/cornflowerblue

## Contrast (WCAG 2.x, as text)

- On white (#ffffff): 3.31:1 — AA fail, AA-large pass, AAA fail. Fix: AA: text → #e01570 (4.66:1); AA: background → #262626 (4.57:1); AAA: text → #ad1057 (7.03:1)
- On black (#000000): 6.34:1 — AA pass, AA-large pass, AAA fail. Fix: AAA: text → #f165a4 (7.14:1)

## Fonts for this mood

- warm: https://brandsweets.com/fonts/mood/warm
- playful: https://brandsweets.com/fonts/mood/playful
- bold: https://brandsweets.com/fonts/mood/bold

## Palette tool

Open this color locked as the lead with four explored companions: https://brandsweets.com/palettes/new/ef5299-c49ca9-62cb69-2d1f20-f1e9f0?lock=0&style=vibrant
(Humans lock/regenerate in the tool; the URL is the state — read `lock=` back to see what they kept.)

## Connect an agent

Point any MCP client at the BrandSweets colors endpoint for the same engine:

- Endpoint: https://mcp.brandsweets.com/colors/mcp
- Tools: `analyze_color` (e.g. `analyze_color({ color: "#ef5299" })`), `check_contrast` (with fixes), `generate_palette` (explore around locks), `suggest_palette` (mood/industry → curated-first), `list_palettes`.