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Mellowed Daffodil

#515737
Notes

Mellowed Daffodil (#515737) 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 (71°, 23%, 28%) 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
#515737
RGB
rgb(81, 87, 55)
HSL
hsl(71, 23%, 28%)
HWB
hwb(71 22% 66%)
OKLCH
oklch(44.3% 0.050 117.1)
P3
color(display-p3 0.3220 0.3404 0.2296)
HSV
hsv(71, 37%, 34%)
LAB
lab(35.68% -8.37 17.84)
LCH
lch(35.68% 19.70 115.15)
CMYK
cmyk(7%, 0%, 37%, 66%)

Etymology

Mellowed
adjective

Old English mealu, meal / soft — past-participle of mellow. As a color modifier, mellowed implies a hushed-and-softened-and-deepened quality where the hue carries the visual register of Burgundy-and-Bordeaux multi-decade fully-mellowed-and-deepened wine-cellar maturation finished-state. Sits at the hushed-and-aged end of the grid, parallel to aged and seasoned in usage.

Daffodil
noun

Narcissus pseudonarcissus, the wild daffodil of British and European woodland. The color is the trumpet-shaped corona of a fully open daffodil at peak spring: a saturated, slightly orange-shifted yellow with the satiny finish of waxy petal tissue. Warmer than lemon, brighter than buttercup, with the seasonal weight of a flower that arrives before the trees have leaves.

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.

#515737
Original
#5b5435
Protanopia
#5b5438
Deuteranopia
#54544f
Tritanopia
#535353
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
7.59:1
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
2.77:1

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
##515737
Display P3
Display P3
color(display-p3 0.3220 0.3404 0.2296)
Inside sRGBOKLCH chroma 0.050

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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