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Tempered Tampopo

#646951
Notes

Tempered Tampopo (#646951) is a true 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 (72°, 13%, 36%) places it in the muted band at a mid lightness. It works across type, buttons, and borders, saturated enough to feel deliberate but balanced enough to not fight the rest of the palette. 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
#646951
RGB
rgb(100, 105, 81)
HSL
hsl(72, 13%, 36%)
HWB
hwb(72 32% 59%)
OKLCH
oklch(50.9% 0.037 117.3)
P3
color(display-p3 0.3957 0.4111 0.3270)
HSV
hsv(72, 23%, 41%)
LAB
lab(43.37% -6.53 12.89)
LCH
lch(43.37% 14.44 116.86)
CMYK
cmyk(5%, 0%, 23%, 59%)

Etymology

Tempered
adjective

The past participle of temper, to moderate — used as a color modifier since the seventeenth century for hues that have been pulled back from extremes. Tempered red, tempered green: moderate saturation combined with optical restraint. Sits at the hushed-bucket alongside muted and sober.

Tampopo
noun

The Japanese word for dandelionTaraxacum officinale, the cosmopolitan composite-family wildflower whose bright yellow heads dot Japanese spring lawns. Tampopo is also the title of a 1985 Itami Jūzō film about a ramen quest. The color refers to a fresh tampopo bloom: a saturated, slightly red yellow with the matte finish of small ray-florets.

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.

#646951
Original
#6c6650
Protanopia
#6c6752
Deuteranopia
#676662
Tritanopia
#666666
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).
AAon White
5.70:1
The quick brown foxSample body text at normal size. The wcag minimum for body contrast is 4.5:1 (AA) or 7:1 (AAA).
AA Largeon Black
3.68:1

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
##646951
Display P3
Display P3
color(display-p3 0.3957 0.4111 0.3270)
Inside sRGBOKLCH chroma 0.037

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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