#EEED56Sulphuric (#EEED56) is a very light, saturated yellow with an OKLCH hue of 109°, lightness 0.92 and chroma 0.168. 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 | #EEED56 |
|---|---|
| RGB | rgb(238, 237, 86) |
| HSL | hsl(60, 82%, 64%) |
| HSV | hsv(60, 64%, 93%) |
| CMYK | cmyk(0%, 0%, 64%, 7%) |
| CIE Lab | lab(91.4 -17.5 70.4) |
| OKLCH | oklch(0.920 0.168 109) |
Under warm 2700K interior light Sulphuric shifts subtly: leans toward orange; in north-facing or shaded light it is virtually unchanged. Overall drift across common illuminants is small (max ΔE ≈ 1.8), so it is a lighting-stable choice.
#f6e64a — ΔE 1.8, shifts subtly: leans toward orange#f6ed51 — ΔE 1.1, shifts subtly: leans toward orange#eeed56 — ΔE 0.0, is virtually unchanged#eeee58 — ΔE 0.3, is virtually unchangedTest Sulphuric 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 1.24:1 and against black 16.88:1, 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.
#eeed56 · #d2d140 · #aaa91a · #838200 · #5e5d00 · #3b3b00
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.
#eeed56 · #f5cd39 · #f4af32 · #ec933c · #dd794a · #c96457
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.
#eeed56 · #73b593 · #8d8c00 · #007d52 · #515000 · #003e26
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.
#eeed56 · #c3c49f · #a3a35d · #6850c0 · #444300 · #272600
The anchor as the only color in the room. True neutrals or complement-warmed near-neutrals let it stay dominant.
#eeed56 · #c6c5d6 · #8d8d76 · #53525e · #24240b · #010004
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.
#f1f0fc · #c8c7d5 · #9b9aa9 · #222032 · #03020e · #eeed56
The opposite hue on the perceptual wheel, tempered to field strength — warm/cool tension without vibration.
#eeed56 · #b8d7bc · #c22eee · #4f7051 · #29345b · #1b0411
The complement's two neighbours instead of the complement itself — strong contrast with a lower clash risk.
#eeed56 · #e4bfd4 · #7d99ba · #814ca8 · #2e3857 · #160f04
Three hues spaced evenly around the wheel; the anchor leads and the other two are held at supporting strength.
#eeed56 · #a6cee2 · #0099c8 · #911862 · #44002a · #00050c
Two complementary pairs offset by 90° — the richest chord, kept usable by a strict lightness hierarchy.
#eeed56 · #a1d2d4 · #009fa4 · #553aa9 · #48000d · #030013
#EFEF72 · #F1F189 · #F2F39D · #F4F5B0 · #F5F7C3
#C3C133 · #999700 · #706F00 · #4A4900 · #272600
#ECEC7F · #E9EA9E · #E7E9BA
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.