#AEE0E4Opal (#AEE0E4) is a very light, muted blue-green with an OKLCH hue of 202°, lightness 0.87 and chroma 0.052. It sits on the cool side of the color wheel. In practice it behaves as a background color — quiet over large surfaces.
| HEX | #AEE0E4 |
|---|---|
| RGB | rgb(174, 224, 228) |
| HSL | hsl(184, 50%, 79%) |
| HSV | hsv(184, 24%, 89%) |
| CMYK | cmyk(24%, 2%, 0%, 11%) |
| CIE Lab | lab(86 -15.1 -7.2) |
| OKLCH | oklch(0.873 0.052 202) |
Under warm 2700K interior light Opal shifts subtly: leans toward green, loses intensity; in north-facing or shaded light it shifts subtly: drifts toward sky blue. Overall drift across common illuminants is small (max ΔE ≈ 2.3), so it is a lighting-stable choice.
#badbd5 — ΔE 2.3, shifts subtly: leans toward green, loses intensity#b7e1df — ΔE 1.3, shifts subtly: leans toward green#aee0e4 — ΔE 0.0, is virtually unchanged#ade1e7 — ΔE 0.4, shifts subtly: drifts toward sky blueTest Opal 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 1.44:1 and against black 14.58:1, 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.
#cffcff · #aee0e4 · #80abaf · #5e8588 · #3e6063 · #203e40
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.
#aee0e4 · #8ccee1 · #84b7d4 · #7ea0c4 · #798ab0 · #73749a
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.
#aee0e4 · #a5b7cd · #65a2a7 · #597ba4 · #2c666a · #314256
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.
#aee0e4 · #a2b7b8 · #b37775 · #34585a · #1a393c · #081d1e
The anchor as the only color in the room. True neutrals or complement-warmed near-neutrals let it stay dominant.
#aee0e4 · #bfb6b5 · #778485 · #524c4b · #152223 · #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.
#aee0e4 · #89a2a4 · #274649 · #03292c · #000607 · #e44e53
The same quiet ground carrying one bright gold voice — the high-energy pairing a cool or muted anchor cannot reach through its own temperature.
#aee0e4 · #89a2a4 · #274649 · #03292c · #000607 · #eebc4d
The opposite hue on the perceptual wheel, tempered to field strength — warm/cool tension without vibration.
#eaf6d1 · #aee0e4 · #9fc8a8 · #c47589 · #543956 · #1c051b
The complement's two neighbours instead of the complement itself — strong contrast with a lower clash risk.
#aee0e4 · #c7b3b2 · #9e7284 · #6d4124 · #351022 · #110300
Three hues spaced evenly around the wheel; the anchor leads and the other two are held at supporting strength.
#aee0e4 · #c0b4c1 · #927596 · #624915 · #2c1c00 · #030004
Two complementary pairs offset by 90° — the richest chord, kept usable by a strict lightness hierarchy.
#aee0e4 · #b8b6c6 · #817ba2 · #713c3a · #202200 · #050000
#B8E4E8 · #C3E8EB · #CDECEF · #D7F0F2 · #E1F4F6
#8AB7BB · #689093 · #486B6E · #29484A · #0D2729
#B7DEE1 · #C0DCDE · #C8D9DB
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.