#F2643AFirecracker (#F2643A) is a mid-tone, saturated red with an OKLCH hue of 37°, lightness 0.68 and chroma 0.184. It sits on the warm side of the color wheel. In practice it behaves as an accent color: strong in focal moments, dominant over large fields.
| HEX | #F2643A |
|---|---|
| RGB | rgb(242, 100, 58) |
| HSL | hsl(14, 88%, 59%) |
| HSV | hsv(14, 76%, 95%) |
| CMYK | cmyk(0%, 59%, 76%, 5%) |
| CIE Lab | lab(60.2 52.4 50.2) |
| OKLCH | oklch(0.676 0.184 37) |
Under warm 2700K interior light Firecracker is virtually unchanged; in north-facing or shaded light it is virtually unchanged. Overall drift across common illuminants is small (max ΔE ≈ 0.9), so it is a lighting-stable choice.
#f35f33 — ΔE 0.9, is virtually unchanged#f66337 — ΔE 0.7, is virtually unchanged#f2643a — ΔE 0.0, is virtually unchanged#f3653b — ΔE 0.3, is virtually unchangedTest Firecracker in the color lighting simulator — sweep it through daylight, warm 2700K light, 4000K LED, and shade alongside the rest of your palette.
Against white it measures 3.15:1 and against black 6.66:1, so black text is the stronger pairing. That pairing passes WCAG AA for body text.
One color explored: close hues with real lightness and chroma structure, so the palette is the anchor through value rather than a set of colors.
#ffece6 · #ffb29c · #f2643a · #cd4a21 · #9c2a00 · #651700
The anchor's neighbours on the wheel — everything shares an undertone, so the chord carries color without anything having to be muted to get along.
#f8aa48 · #f88835 · #f2643a · #d85057 · #ba4267 · #9a386f
The mid-gap pairing — sage and mustard, terracotta and olive. A foil rotated 40–65° toward warm or cool: too far to be kin, too near to argue, carried by temperature and a deliberate value offset.
#ceb470 · #f2643a · #c34f2d · #735900 · #761d00 · #342600
One deliberately opposed voice — a single restrained counterpoint across the wheel, or temperature against temperature where the anchor is too muted to carry a loud opposite.
#00d8ff · #f2643a · #946b5f · #86402c · #602413 · #371106
The anchor as the only color in the room. True neutrals or complement-warmed near-neutrals let it stay dominant.
#e0f7fd · #f2643a · #90756d · #3f4e52 · #30160f · #000407
This color as a ground rather than a subject — its own restraint held across a narrow value band, carrying one saturated voice from the opposite temperature.
#e7f5f9 · #bdcdd2 · #90a2a8 · #132c33 · #000a0f · #f2643a
The opposite hue on the perceptual wheel, tempered to field strength — warm/cool tension without vibration.
#d5ddb8 · #ce9cae · #f2643a · #1d759c · #374468 · #040e2d
The complement's two neighbours instead of the complement itself — strong contrast with a lower clash risk.
#c7dcbb · #8ab0db · #f2643a · #467475 · #3c4853 · #180e04
Three hues spaced evenly around the wheel; the anchor leads and the other two are held at supporting strength.
#d5fee3 · #f2643a · #009459 · #3932ab · #170061 · #000501
Two complementary pairs offset by 90° — the richest chord, kept usable by a strict lightness hierarchy.
#e8f9d2 · #f2643a · #658b0c · #005465 · #2e004a · #000407
#FA7C58 · #FF9576 · #FFAE96 · #FFC6B5 · #FFDCD2
#CC4C25 · #A7350F · #822100 · #5B1400 · #370600
#E17353 · #CF7F68 · #BC897A
Its chroma is high enough to carry accents, calls to action, and focal moments; large fields of it will dominate a composition. In palettes it pairs most predictably with its tonal ramp and analogous neighbors; reserve the complementary hue for small, deliberate contrast.