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Modulated Goldfinch

#644f36
Notes

Modulated Goldfinch (#644F36) is a deep orange 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 (33°, 30%, 30%) places it in the balanced 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
#644f36
RGB
rgb(100, 79, 54)
HSL
hsl(33, 30%, 30%)
HWB
hwb(33 21% 61%)
OKLCH
oklch(44.3% 0.047 71.0)
P3
color(display-p3 0.3791 0.3130 0.2250)
HSV
hsv(33, 46%, 39%)
LAB
lab(35.14% 5.06 18.09)
LCH
lch(35.14% 18.79 74.37)
CMYK
cmyk(0%, 21%, 46%, 61%)

Etymology

Modulated
adjective

Latin modulātus, measured / regulated — past-participle of modulate. As a color modifier, modulated implies a hushed-and-tone-adjusted-and-controlled quality where the hue carries the visual register of carefully-tone-adjusted-and-eased color treatment. Sits at the hushed-and-restrained end of the grid, parallel to restrained and tempered in usage.

Goldfinch
noun

Carduelis carduelis, the European goldfinch whose male plumage features bright yellow wing bars and a red face mask. The color refers to the yellow wing bar of a fresh-molted goldfinch: a saturated, slightly red yellow with the matte finish of carotenoid-pigmented feathers. Brighter than canary.

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.

#644f36
Original
#565034
Protanopia
#5b5537
Deuteranopia
#6b4a49
Tritanopia
#525252
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
7.74:1
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
2.71:1

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
##644F36
Display P3
Display P3
color(display-p3 0.3791 0.3130 0.2250)
Inside sRGBOKLCH chroma 0.047

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.

Related Colors

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