#FFD800School Bus (#FFD800) is a very light, saturated yellow with an OKLCH hue of 96°, lightness 0.89 and chroma 0.183. It sits on the warm side of the color wheel. In practice it behaves as a mid-weight working color for secondary surfaces and editorial blocks.
| HEX | #FFD800 |
|---|---|
| RGB | rgb(255, 216, 0) |
| HSL | hsl(51, 100%, 50%) |
| HSV | hsv(51, 100%, 100%) |
| CMYK | cmyk(0%, 15%, 100%, 0%) |
| CIE Lab | lab(87.2 -2.4 87.3) |
| OKLCH | oklch(0.889 0.183 96) |
Under warm 2700K interior light School Bus shifts subtly: leans toward orange; in north-facing or shaded light it is virtually unchanged. Overall drift across common illuminants is small (max ΔE ≈ 1.5), so it is a lighting-stable choice.
#ffd200 — ΔE 1.5, shifts subtly: leans toward orange#ffd800 — ΔE 0.0, is virtually unchanged#ffd800 — ΔE 0.0, is virtually unchanged#ffd908 — ΔE 0.2, is virtually unchangedTest School Bus 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 1.39:1 and against black 15.07:1, so black text is the stronger pairing. That pairing passes WCAG AA for body text. Avoid white text on this color entirely.
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.
#fff2bf · #ffd800 · #bea000 · #937b00 · #695800 · #433700
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.
#ffd800 · #ffb91e · #fc991f · #ee7e3d · #db6652 · #c25360
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.
#ffd800 · #92cb99 · #b69900 · #009739 · #715f00 · #125323
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.
#ffd800 · #c1b790 · #a79447 · #464ac1 · #433700 · #241c00
The anchor as the only color in the room. True neutrals or complement-warmed near-neutrals let it stay dominant.
#ffd800 · #b8bcce · #8b856c · #4c4f5b · #272005 · #010106
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.
#eff1fd · #c5c8d6 · #989bab · #1f2233 · #020310 · #ffd800
The opposite hue on the perceptual wheel, tempered to field strength — warm/cool tension without vibration.
#ebfad6 · #ffd800 · #aad192 · #2382e0 · #363f6d · #041116
The complement's two neighbours instead of the complement itself — strong contrast with a lower clash risk.
#ccfdf9 · #ffd800 · #d0b6df · #406998 · #393f60 · #0c1304
Three hues spaced evenly around the wheel; the anchor leads and the other two are held at supporting strength.
#ffd800 · #95c7d4 · #0094ae · #870b75 · #3d0034 · #000305
Two complementary pairs offset by 90° — the richest chord, kept usable by a strict lightness hierarchy.
#ffd800 · #96c9c2 · #00998e · #3b3ab0 · #430019 · #010011
#FFDD4C · #FFE36E · #FFE88A · #FFEDA3 · #FFF1BA
#D0B000 · #A38900 · #786500 · #504200 · #2B2300
#F7D95F · #EFDA88 · #E7DBA9
Its moderate chroma lets it work in mid-size areas — upholstery, secondary UI surfaces, editorial blocks — without overwhelming neighbors. In palettes it pairs most predictably with its tonal ramp and analogous neighbors; reserve the complementary hue for small, deliberate contrast.