# #91d303

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

## Values

- Hex: `#91d303`
- RGB: rgb(145, 211, 3)
- HSL: hsl(79, 97%, 42%)
- OKLCH: oklch(0.792 0.209 128.8)
- Relative luminance: 0.5261
- Nearest named color: yellowgreen (#9acd32, Δ 2.729) — https://brandsweets.com/colors/yellowgreen
- Moods: vivid
- Page: https://brandsweets.com/colors/91d303

## Tints & shades

- Tints (toward white): #a6f104, #b2fb13, #bcfc31, #c4fc4a, #cefd68, #d8fd86, #e0fea0, #eafebe, #f2fed7, #fcfff5
- Shades (toward black): #83bf03, #76ab03, #6b9c02, #5d8802, #507402, #425f01, #344b01, #293c01, #1c2801, #0e1400

## Harmonies

- Complementary: #4503d3
- Analogous: #d3ad03, #29d303
- Triadic: #0391d3, #d30391
- Split-complementary: #0329d3, #ad03d3
- Tetradic: #03d3ad, #4503d3, #d30329

## Colors that go with #91d303

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

- **Taupe** #483c32 [pool] — Taupe is paired with #91d303 in 8 real palettes, including Acer's brand system and Citrus Grove, as the text colour against it. Seen in: Acer (https://brandsweets.com/colors/brands/acer-com), Citrus Grove (https://brandsweets.com/palettes/warm#citrus-grove), Minecraft (https://brandsweets.com/colors/brands/minecraft-net), Meadow (https://brandsweets.com/palettes/light#meadow). — https://brandsweets.com/colors/taupe
- **Violet** #ee82ee [harmony: complementary] — Violet sits directly opposite #91d303 on the wheel — the strongest contrast one hue can give another, so use it small: a button, a link colour, one highlight. — https://brandsweets.com/colors/violet
- **Dark Orange** #ff8c00 [pool] — Dark Orange shows up next to #91d303 in 3 real palettes, including Learning App and Citrus Grove, as the accent. Seen in: Learning App (https://brandsweets.com/palettes/playful#learning-app), Citrus Grove (https://brandsweets.com/palettes/warm#citrus-grove), Playground (https://brandsweets.com/palettes/bold#playground). — https://brandsweets.com/colors/darkorange
- **Deep Sky Blue** #00bfff [harmony, pool: triadic] — Deep Sky Blue completes a triad with #91d303 — three hues spaced evenly round the wheel, the classic way to get energy into a palette without a clash. Seen in: Learning App (https://brandsweets.com/palettes/playful#learning-app), Remix (https://brandsweets.com/colors/brands/remix-run). — https://brandsweets.com/colors/deepskyblue
- **Light Coral** #f08080 [harmony, pool: triadic] — Light Coral completes a triad with #91d303 — three hues spaced evenly round the wheel, the classic way to get energy into a palette without a clash. Seen in: Meadow (https://brandsweets.com/palettes/light#meadow). — https://brandsweets.com/colors/lightcoral
- **Blue** #0000ff [pool] — Two real palettes: Minecraft's brand system and MongoDB's brand system put Blue beside #91d303, as the accent. Seen in: Minecraft (https://brandsweets.com/colors/brands/minecraft-net), MongoDB (https://brandsweets.com/colors/brands/mongodb-com). — https://brandsweets.com/colors/blue
- **Charcoal** #36454f [role] — Charcoal is the body-text near-black for #91d303: its slight blue cast keeps type crisp beside a warm colour where pure #000 looks heavy. — https://brandsweets.com/colors/charcoal
- **Mustard Yellow** #ffdb58 [pool] — Two real palettes: Citrus Grove and Meadow put Mustard Yellow beside #91d303, as the accent. Seen in: Citrus Grove (https://brandsweets.com/palettes/warm#citrus-grove), Meadow (https://brandsweets.com/palettes/light#meadow). — https://brandsweets.com/colors/mustard

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

- On white (#ffffff): 1.82:1 — AA fail, AA-large fail, AAA fail. Fix: AA: text → #567e02 (4.79:1); AA: background → #4d4d4d (4.64:1); AAA: text → #425f01 (7.32:1); AAA: background → #303030 (7.24:1)
- On black (#000000): 11.52:1 — AA pass, AA-large pass, AAA pass

## Brands using this color

- **Monster Energy** — primary #95d600 (Δ 0.978) — https://brandsweets.com/colors/brands/monsterenergy-com

## Palette tool

Open this color locked as the lead with four explored companions: https://brandsweets.com/palettes/new/91d303-b2bea2-4e66df-232d1f-f1f0e9?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: "#91d303" })`), `check_contrast` (with fixes), `generate_palette` (explore around locks), `suggest_palette` (mood/industry → curated-first), `list_palettes`.