#E0FFFFLight Cyan (#E0FFFF) is a near-white, muted blue-green with an OKLCH hue of 197°, lightness 0.98 and chroma 0.032. It sits on the cool side of the color wheel. In practice it behaves as a background color — quiet over large surfaces.
| HEX | #E0FFFF |
|---|---|
| RGB | rgb(224, 255, 255) |
| HSL | hsl(180, 100%, 94%) |
| HSV | hsv(180, 12%, 100%) |
| CMYK | cmyk(12%, 0%, 0%, 0%) |
| CIE Lab | lab(97.9 -9.9 -3.4) |
| OKLCH | oklch(0.978 0.032 197) |
Under warm 2700K interior light Light Cyan shifts subtly: drifts toward green; in north-facing or shaded light it is virtually unchanged. Overall drift across common illuminants is small (max ΔE ≈ 2.4), so it is a lighting-stable choice.
#ecf9ef — ΔE 2.4, shifts subtly: drifts toward green#e9fffa — ΔE 1.2, shifts subtly: leans toward green#e0ffff — ΔE 0.0, is virtually unchanged#e0ffff — ΔE 0.0, is virtually unchangedTest Light Cyan 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 1.05:1 and against black 19.92:1, 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.
#e0ffff · #b4d0d0 · #8fa8a8 · #6c8282 · #4b5d5d · #2c3b3b
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.
#e0ffff · #aff4e6 · #a7dfc5 · #a1c9a6 · #9bb38b · #959d73
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.
#e0ffff · #a5b9ce · #67a4a5 · #567da4 · #2e6868 · #304457
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.
#e0ffff · #c3d8d8 · #93b9b9 · #b3787a · #365656 · #223737
The anchor as the only color in the room. True neutrals or complement-warmed near-neutrals let it stay dominant.
#e0ffff · #e1d7d7 · #8e9c9c · #605a5a · #1b2929 · #020101
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.
#e0ffff · #bfcccc · #909f9f · #132626 · #000505 · #e54e61
The same quiet ground carrying one bright gold voice — the high-energy pairing a cool or muted anchor cannot reach through its own temperature.
#e0ffff · #bfcccc · #909f9f · #132626 · #000505 · #eebc4d
The opposite hue on the perceptual wheel, tempered to field strength — warm/cool tension without vibration.
#e0ffff · #e9d4d5 · #bb8a8b · #814a4d · #3f171a · #000202
The complement's two neighbours instead of the complement itself — strong contrast with a lower clash risk.
#e0ffff · #e9d4d5 · #b58aa0 · #7f4e36 · #3b172c · #0f0200
Three hues spaced evenly around the wheel; the anchor leads and the other two are held at supporting strength.
#e0ffff · #e0d6e4 · #a88db2 · #745627 · #352100 · #030004
Two complementary pairs offset by 90° — the richest chord, kept usable by a strict lightness hierarchy.
#e0ffff · #d8d8e9 · #9593bc · #814a4d · #292700 · #090001
#E3FEFE · #E5FCFC · #E7FBFB · #EAFAFA · #ECF8F8
#B4D0D0 · #8AA3A3 · #627778 · #3D4F4F · #1B2A2A
#E5FDFD · #EAFCFC · #EFFAFA
Its high lightness and low chroma make it a natural background or large-surface color. In palettes it pairs most predictably with its tonal ramp and analogous neighbors; reserve the complementary hue for small, deliberate contrast.