#00CED1Dark Turquoise (#00CED1) is a light, saturated blue-green with an OKLCH hue of 197°, lightness 0.77 and chroma 0.131. It sits on the cool side of the color wheel. In practice it behaves as an accent color: strong in focal moments, dominant over large fields.
| HEX | #00CED1 |
|---|---|
| RGB | rgb(0, 206, 209) |
| HSL | hsl(181, 100%, 41%) |
| HSV | hsv(181, 100%, 82%) |
| CMYK | cmyk(100%, 1%, 0%, 18%) |
| CIE Lab | lab(75.3 -40 -13.5) |
| OKLCH | oklch(0.772 0.131 197) |
Under warm 2700K interior light Dark Turquoise shifts subtly: leans toward green, loses intensity; in north-facing or shaded light it is virtually unchanged. Overall drift across common illuminants is small (max ΔE ≈ 2.2), so it is a lighting-stable choice.
#44cac4 — ΔE 2.2, shifts subtly: leans toward green, loses intensity#2fcfcd — ΔE 1.1, shifts subtly: leans toward green#00ced1 — ΔE 0.0, is virtually unchanged#00cfd4 — ΔE 0.5, is virtually unchangedTest Dark Turquoise 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 1.95:1 and against black 10.75:1, 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.
#c4ffff · #4be2e4 · #00ced1 · #008f91 · #006668 · #004142
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.
#ade5ff · #5bdcf5 · #00ced1 · #25baa6 · #3fa57e · #4f8f5b
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.
#00ced1 · #769abd · #00898b · #005ea0 · #004a4c · #012848
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.
#bbe1e1 · #00ced1 · #ce666e · #0a5f60 · #003f40 · #002121
The anchor as the only color in the room. True neutrals or complement-warmed near-neutrals let it stay dominant.
#feeded · #00ced1 · #879e9e · #645959 · #112b2b · #050101
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.
#fceeee · #d6c5c6 · #ac9999 · #362021 · #120203 · #00ced1
The opposite hue on the perceptual wheel, tempered to field strength — warm/cool tension without vibration.
#ffeded · #00ced1 · #d27d82 · #983541 · #4e0012 · #000202
The complement's two neighbours instead of the complement itself — strong contrast with a lower clash risk.
#d8d7b2 · #00ced1 · #9d7d6d · #a14b74 · #47313a · #05150c
Three hues spaced evenly around the wheel; the anchor leads and the other two are held at supporting strength.
#faecff · #00ced1 · #b384c4 · #7b5300 · #352100 · #040009
Two complementary pairs offset by 90° — the richest chord, kept usable by a strict lightness hierarchy.
#f0f0ff · #00ced1 · #948fd7 · #983541 · #292700 · #1a0002
#4ED6D8 · #72DEE0 · #8FE6E7 · #A9EEEF · #C2F6F6
#00A9AB · #008587 · #006264 · #004243 · #002425
#56C9CB · #78C4C5 · #92BFBF
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.