Coin Slot `#FF4411`

Coin Slot (#FF4411) is a mid-tone, vivid red with an OKLCH hue of 34°, lightness 0.66 and chroma 0.229. 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.

Color values

HEX	`#FF4411`
RGB	`rgb(255, 68, 17)`
HSL	`hsl(13, 100%, 53%)`
HSV	`hsv(13, 93%, 100%)`
CMYK	`cmyk(0%, 73%, 93%, 0%)`
CIE Lab	`lab(57.5 68.2 65.3)`
OKLCH	`oklch(0.660 0.229 34)`

How Coin Slot behaves under real light

Under warm 2700K interior light Coin Slot is virtually unchanged; in north-facing or shaded light it is virtually unchanged. Overall drift across common illuminants is small (max ΔE ≈ 0.8), so it is a lighting-stable choice.

Warm interior (2700K incandescent / warm LED): → #ff3d05 — ΔE 0.8, is virtually unchanged
Neutral LED (4000K task and retail lighting): → #ff420b — ΔE 0.3, is virtually unchanged
Daylight (6500K standard daylight (reference)): → #ff4411 — ΔE 0.0, is virtually unchanged
Blue-sky shade (cool daylight (~10000K proxy)): → #ff4513 — ΔE 0.1, is virtually unchanged

Test Coin Slot in the color lighting simulator — sweep it through daylight, warm 2700K light, 4000K LED, and shade alongside the rest of your palette.

Contrast & accessibility

Against white it measures 3.45:1 and against black 6.09:1, so black text is the stronger pairing. That pairing passes WCAG AA for body text.

Colors that go with Coin Slot

Tonal

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.

#ffe4de · #ffaa95 · #ff4411 · #d43100 · #982000 · #610f00

Analogous

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.

#ff9d0e · #fe7900 · #ff4411 · #e32f4d · #c12465 · #9e2072

Shifted

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.

#d1ac54 · #ff4411 · #cd350b · #6f5300 · #721500 · #302100

Contrast

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.

#00dbfd · #ff4411 · #956357 · #8a311d · #631402 · #370500

Quiet Support

The anchor as the only color in the room. True neutrals or complement-warmed near-neutrals let it stay dominant.

#dbf8ff · #ff4411 · #906e66 · #384b50 · #32120a · #000407

Bright Accent

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.

#e7f5f8 · #bdced2 · #90a2a7 · #132c32 · #000a0e · #ff4411

Complementary

The opposite hue on the perceptual wheel, tempered to field strength — warm/cool tension without vibration.

#d7e3bf · #3fd9c2 · #ff4411 · #9c6788 · #354734 · #150c03

Split-complementary

The complement's two neighbours instead of the complement itself — strong contrast with a lower clash risk.

#bbe1ca · #70b5aa · #ff4411 · #3f6784 · #304062 · #200511

Triadic

Three hues spaced evenly around the wheel; the anchor leads and the other two are held at supporting strength.

#d2ffdf · #ff4411 · #008f4e · #311cbf · #120060 · #000601

Tetradic

Two complementary pairs offset by 90° — the richest chord, kept usable by a strict lightness hierarchy.

#e8fac8 · #ff4411 · #668400 · #00515f · #2b004a · #000407

Tints, shades & muted variants

Tints

#FF6E4D · #FF8E73 · #FFA995 · #FFC3B4 · #FFDBD2

Shades

#D53200 · #AA2500 · #821900 · #5B0E00 · #380300

Muted

#EB5F3F · #D6715A · #BF8070

Using Coin Slot

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.