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Reticent Sheffield

#15170e
Notes

Reticent Sheffield (#15170E) is a deep yellow 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 (73°, 24%, 7%) 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 indigo. For something softer, pull in its analogous neighbors on either side of the wheel.

HEX
#15170e
RGB
rgb(21, 23, 14)
HSL
hsl(73, 24%, 7%)
HWB
hwb(73 5% 91%)
OKLCH
oklch(19.9% 0.017 118.2)
P3
color(display-p3 0.0838 0.0899 0.0585)
HSV
hsv(73, 39%, 9%)
LAB
lab(7.26% -2.83 4.88)
LCH
lch(7.26% 5.65 120.13)
CMYK
cmyk(9%, 0%, 39%, 91%)

Etymology

Reticent
adjective

Latin reticēns, silent — present-participle of reticēre. As a color modifier, reticent implies a neutral-and-quietly-withholding quality where the hue carries the visual register of Quaker-and-Puritan quietly-withholding-and-restrained color-decision. Sits at the neutral-and-quiet end of the grid, parallel to taciturn and laconic in usage.

Sheffield
noun

South-Yorkshire English steel-city — the Industrial-Revolution center of cutlery-and-tool-steel manufacturing, particularly the Sheffield Plate silver-plated Britannia-metal of the early-19th-century. Sheffield color refers to a Sheffield-Plate-silvered cutlery-set in late-Victorian display-case-light: a dark cool-gray with the metallic finish of Britannia-metal-and-silver-tarnish on hand-rolled English silver-plated cutlery.

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.

#15170e
Original
#18160d
Protanopia
#18160e
Deuteranopia
#161615
Tritanopia
#161616
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
18.09:1
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
1.16:1

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
##15170E
Display P3
Display P3
color(display-p3 0.0838 0.0899 0.0585)
Inside sRGBOKLCH chroma 0.017

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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