# #e3f033

A color — vivid. Deterministic analysis from BrandSweets (no inference).

## Values

- Hex: `#e3f033`
- RGB: rgb(227, 240, 51)
- HSL: hsl(64, 86%, 57%)
- OKLCH: oklch(0.915 0.193 113.8)
- Relative luminance: 0.7889
- Nearest named color: Buttercup Glow (#f1f458, Δ 3.163) — https://brandsweets.com/colors/buttercup-glow
- Moods: vivid
- Page: https://brandsweets.com/colors/e3f033

## Tints & shades

- Tints (toward white): #e6f146, #e8f359, #ebf46c, #edf57f, #f1f797, #f3f9aa, #f6fabd, #f9fbd0, #fbfde3, #fefef6
- Shades (toward black): #e0ee1b, #cdda10, #b6c20f, #a0ab0d, #8a930b, #6f7709, #595f07, #434705, #282b03, #121301

## Harmonies

- Complementary: #4033f0
- Analogous: #f09e33, #85f033
- Triadic: #33e3f0, #f033e3
- Split-complementary: #3385f0, #9e33f0
- Tetradic: #33f09e, #4033f0, #f03385

## Colors that go with #e3f033

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

- **Plum** #dda0dd [harmony, pool: complementary] — Plum sits directly opposite #e3f033 on the wheel — the strongest contrast one hue can give another, so use it small: a button, a link colour, one highlight. Seen in: Blossom (https://brandsweets.com/palettes/light#blossom). — https://brandsweets.com/colors/plum
- **Blue** #0000ff [pool] — 4 real palettes, including Robinhood's brand system and Snapchat's brand system put Blue beside #e3f033, as the supporting colour. Seen in: Robinhood (https://brandsweets.com/colors/brands/robinhood-com), Snapchat (https://brandsweets.com/colors/brands/snapchat-com), Binance (https://brandsweets.com/colors/brands/binance-com), Bumble (https://brandsweets.com/colors/brands/bumble-com). — https://brandsweets.com/colors/blue
- **Charcoal** #36454f [role, pool] — Charcoal is the body-text near-black for #e3f033: its slight blue cast keeps type crisp beside a warm colour where pure #000 looks heavy. Seen in: Zendesk (https://brandsweets.com/colors/brands/zendesk-com), Lagoon (https://brandsweets.com/palettes/vivid#lagoon), Lido (https://brandsweets.com/palettes/vivid#lido). — https://brandsweets.com/colors/charcoal
- **Crimson** #dc143c [pool] — Crimson is paired with #e3f033 in 8 real palettes, including Ferrari's brand system and Lay's's brand system, as the lead colour. Seen in: Ferrari (https://brandsweets.com/colors/brands/ferrari-com), Lay's (https://brandsweets.com/colors/brands/lays-com), Tequila Sunrise (https://brandsweets.com/palettes/vivid#tequila-sunrise), Diner (https://brandsweets.com/palettes/vivid#diner). — https://brandsweets.com/colors/crimson
- **Denim** #1560bd [pool] — Designers have shipped Denim with #e3f033: 6 real palettes, including Ikea's brand system and FIFA's brand system, as the accent. Seen in: Ikea (https://brandsweets.com/colors/brands/ikea-com), FIFA (https://brandsweets.com/colors/brands/fifa-com), LEGO (https://brandsweets.com/colors/brands/lego-com), McDonald's (https://brandsweets.com/colors/brands/mcdonalds-com). — https://brandsweets.com/colors/denim
- **Red** #ff0000 [pool] — Red is paired with #e3f033 in 4 real palettes, including Heineken's brand system and Paddle's brand system, as the accent. Seen in: Heineken (https://brandsweets.com/colors/brands/heineken-com), Paddle (https://brandsweets.com/colors/brands/paddle-com), Phantom: The money app that'll take you placesLogo PhantomLogo PhantomLogo Phantom (https://brandsweets.com/colors/brands/phantom-com), Wise (https://brandsweets.com/colors/brands/wise-com). — https://brandsweets.com/colors/red
- **Taupe** #483c32 [pool] — Taupe is paired with #e3f033 in 8 real palettes, including Crayon Box and Calvin Klein's brand system, as the text colour against it. Seen in: Crayon Box (https://brandsweets.com/palettes/playful#crayon-box), Calvin Klein (https://brandsweets.com/colors/brands/calvinklein-us), Tommy Hilfiger (https://brandsweets.com/colors/brands/tommy-com), Citrus Grove (https://brandsweets.com/palettes/warm#citrus-grove). — https://brandsweets.com/colors/taupe
- **Tomato** #ff6347 [pool] — 4 real palettes, including Crayon Box and Night Market put Tomato beside #e3f033, as the lead colour. Seen in: Crayon Box (https://brandsweets.com/palettes/playful#crayon-box), Night Market (https://brandsweets.com/palettes/vivid#night-market), Fresh Juice (https://brandsweets.com/palettes/playful#fresh-juice), Lido (https://brandsweets.com/palettes/vivid#lido). — https://brandsweets.com/colors/tomato

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

- On white (#ffffff): 1.25:1 — AA fail, AA-large fail, AAA fail. Fix: AA: text → #747b09 (4.59:1); AA: background → #666666 (4.59:1); AAA: text → #555a07 (7.36:1); AAA: background → #4a4a4a (7.08:1)
- On black (#000000): 16.78:1 — AA pass, AA-large pass, AAA pass

## Palette tool

Open this color locked as the lead with four explored companions: https://brandsweets.com/palettes/new/e3f033-b9bea2-4e8adf-262d1f-f1eee9?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: "#e3f033" })`), `check_contrast` (with fixes), `generate_palette` (explore around locks), `suggest_palette` (mood/industry → curated-first), `list_palettes`.