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Gentle Castile

#615435
Notes

Gentle Castile (#615435) is a deep amber with an earthy character. It leans grounded and natural, the kind of color that plays well with wood, clay, linen, and warm neutrals. Its HSL profile (42°, 29%, 29%) places it in the muted band at a dark lightness. It works well as a headline, icon, or deep background in an otherwise light layout, pairing cleanly with cream, bone, and warm neutrals. For a confident two-color system, pair it with its complementary azure. For something softer, pull in its analogous neighbors on either side of the wheel.

HEX
#615435
RGB
rgb(97, 84, 53)
HSL
hsl(42, 29%, 29%)
HWB
hwb(42 21% 62%)
OKLCH
oklch(45.1% 0.049 87.7)
P3
color(display-p3 0.3720 0.3313 0.2234)
HSV
hsv(42, 45%, 38%)
LAB
lab(36.25% 0.48 20.08)
LCH
lch(36.25% 20.08 88.62)
CMYK
cmyk(0%, 13%, 45%, 62%)

Etymology

Gentle
adjective

Latin gentilis, of the same family, kind — drifted to mean mild. Used as a color modifier since the medieval period for hues that read as soft and unimposing. Gentle gray, gentle blue: low saturation combined with optical mildness. Sits at the hushed-bucket alongside soft and tender.

Castile
noun

The arid central plateau of Spain — and the warm tan of Castilian sandstone and the wheat fields of La Mancha. The color refers to a Castilian meseta in late summer: a soft, slightly muted warm tan-yellow with the matte finish of dry wheat-and-soil landscape. Drier than honey.

Closest matches

The nearest named color in three reference sources, ranked by perceptual distance (ΔE76 in CIELAB). ΔE < 1 is imperceptible to most viewers; ΔE > 10 is clearly different. When two sources point to the same hex they’re merged into one tile; click any to open that color’s page.

Variations

Click any swatch to explore

Harmonies

Accessibility

Color-vision simulation

How this color appears to viewers with the four major color-vision-deficiency types. Computed via the Machado (2009) physiologically-based model. If a tile matches the original, the color reads the same to that viewer.

#615435
Original
#5b5333
Protanopia
#5e5736
Deuteranopia
#674f4c
Tritanopia
#555555
Achromatopsia
WCAG contrast

The color used as foreground text against pure white and pure black, with the contrast ratio and WCAG 2.1 grade. Aim for AA (4.5:1) for body text and AA Large (3:1) for 18 pt+ headlines; AAA (7:1) is the gold standard for long-form reading surfaces.

The quick brown foxSample body text at normal size. The wcag minimum for body contrast is 4.5:1 (AA) or 7:1 (AAA).
AAAon White
7.43:1
The quick brown foxSample body text at normal size. The wcag minimum for body contrast is 4.5:1 (AA) or 7:1 (AAA).
Failon Black
2.83:1

Wide gamut

Display P3 representation

The CSS Color 4 wide-gamut form of this color. Both swatches render the same color on every display — the P3 form only diverges from sRGB when a designer pushes channels outside sRGB's reach.

sRGB hex
sRGB hex
##615435
Display P3
Display P3
color(display-p3 0.3720 0.3313 0.2234)
Inside sRGBOKLCH chroma 0.049

This color sits well within the sRGB cube. P3 and sRGB share the gray axis and most desaturated tones, so a P3 display renders this identically to an sRGB display.

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