Flame Seal
#f4e25a
Deeper chartreuse glow, stronger warmth than nearby
About Flame Seal
Flame Seal looks like a tempered flare: a bright, slightly green-leaning yellow that feels sun-warmed but not buttery-soft. Compared to Goldfinch, it's not as crisp and lemon-edged. Compared to Cheese It Up, it has less cozy glow and more lift. And next to Here Comes the Sun, it reads more saturated and a touch more pointed, with less milky haze.
I reach for Flame Seal when I need a status cue that feels energetic without slipping into "glow-y" territory. It shows up nicely in logistics step indicators, e-commerce checkout confirmations, and onboarding progress states where the "ready" moment needs to feel immediate. It also works for product badges and chart highlights on light UI because the undertone stays distinct against common leaf greens.
Pair it with deeper, greener or earthy tones so the yellow stays anchored. If you put it next to very pale greens, it can start to blend instead of popping.
Code snippets
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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
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