Buttercup Glow
#f1f458
Buttery pale yellow-green for soft UI backgrounds
About Buttercup Glow
This is the color that actually glows. Not the soft whisper of Buttered Popcorn, not the grounded restraint of Cream and Butter, Buttercup Glow sits somewhere between them and refuses to disappear. It's brighter and colder than its neighbors, with enough yellow to read as intentional but not so much that it shouts. There's something almost luminous about it, the kind of pale gold that works on screen because it catches light instead of absorbing it.
You'll land here for product cards, hero sections, and accent elements where you need warmth without aggression. Event platforms use it for featured content. Wellness and lifestyle apps lean into it because it feels approachable but sharp. It's the one I reach for when Banana Bandanna is too loud and Buttered Popcorn is too soft, when you want people to actually see something without the visual weight of real saturation.
The trick is that it reads lighter than it is. Pair it with charcoal and it pops immediately. On white it'll fade slightly unless you're using it as a border or thin accent. Test it early if legibility matters, especially for smaller type.
Code snippets
Copy this color into your project.
Contrast checker
WCAG 2.1 contrast ratios. AA requires 4.5:1 for normal text, 3:1 for large. AAA requires 7:1 / 4.5:1.
On White #ffffff
On Gray 100 #f5f5f5
On Gray 900 #18181b
On Black #000000
Variations
Shades
Darker variations, created by mixing toward black.
Tints
Lighter variations, created by mixing toward white.
Tones
Muted variations, created by reducing saturation.
Hues
Hue rotations around the color wheel.
Temperatures
Warm and cool shifts of this color.
Color harmonies
Suggested palettes
Palettes built around this color.
Community palettes
Published palettes that include this color.