#523F31Turtle (#523F31) is a dark, muted orange with an OKLCH hue of 58°, lightness 0.38 and chroma 0.035. 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 | #523F31 |
|---|---|
| RGB | rgb(82, 63, 49) |
| HSL | hsl(25, 25%, 26%) |
| HSV | hsv(25, 40%, 32%) |
| CMYK | cmyk(0%, 23%, 40%, 68%) |
| CIE Lab | lab(28.3 6 11.8) |
| OKLCH | oklch(0.384 0.035 58) |
Under warm 2700K interior light Turtle shifts subtly: leans toward red; in north-facing or shaded light it shifts subtly: leans toward red. Overall drift across common illuminants is small (max ΔE ≈ 0.7), so it is a lighting-stable choice.
#543d2d — ΔE 0.7, shifts subtly: leans toward red#543f30 — ΔE 0.4, is virtually unchanged#523f31 — ΔE 0.0, is virtually unchanged#523f32 — ΔE 0.2, shifts subtly: leans toward redTest Turtle 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 9.93:1 and against black 2.11:1, so white text is the stronger pairing. That pairing passes WCAG AA for body text. Avoid black 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.
#b2a398 · #8e7d70 · #6b594b · #523f31 · #28190d · #0a0200
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.
#71633c · #6a4e27 · #523f31 · #512615 · #3f1614 · #2c0911
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.
#babb9d · #b69175 · #7e804a · #606148 · #523f31 · #412003
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.
#79aed1 · #937c6c · #6c5f55 · #523f31 · #372212 · #170b04
The anchor as the only color in the room. True neutrals or complement-warmed near-neutrals let it stay dominant.
#ecf3f8 · #aba29b · #585d60 · #523f31 · #332a24 · #000102
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.
#f9f0e9 · #d3c8c1 · #a99d95 · #523f31 · #120601 · #f29444
The opposite hue on the perceptual wheel, tempered to field strength — warm/cool tension without vibration.
#e5f4ff · #81aac5 · #2e6281 · #523f31 · #013048 · #120400
The complement's two neighbours instead of the complement itself — strong contrast with a lower clash risk.
#e5f4ff · #76afb7 · #4a5a87 · #523f31 · #00333a · #000008
Three hues spaced evenly around the wheel; the anchor leads and the other two are held at supporting strength.
#e3f7f2 · #7ab0a3 · #615281 · #523f31 · #302548 · #000302
Two complementary pairs offset by 90° — the richest chord, kept usable by a strict lightness hierarchy.
#e8f6e9 · #8bae8f · #2e6281 · #523f31 · #3d203c · #00050f
#6C5A4D · #87776B · #A3948A · #BFB3AB · #DCD3CC
#453428 · #392A1F · #2D2016 · #22170E · #170D07
#4F4035 · #4C4139 · #49423D
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.