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Dreaming Curcuma

#646b50
Notes

Dreaming Curcuma (#646B50) is a true lime 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 (76°, 14%, 37%) 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
#646b50
RGB
rgb(100, 107, 80)
HSL
hsl(76, 14%, 37%)
HWB
hwb(76 31% 58%)
OKLCH
oklch(51.4% 0.042 119.7)
P3
color(display-p3 0.3972 0.4187 0.3243)
HSV
hsv(76, 25%, 42%)
LAB
lab(43.95% -7.85 14.28)
LCH
lch(43.95% 16.29 118.79)
CMYK
cmyk(7%, 0%, 25%, 58%)

Etymology

Dreaming
adjective

Old English drēam, joy / sound — present-participle of dream. As a color modifier, dreaming implies a hushed-and-soft-and-distant quality where the hue carries the visual register of Romantic-period hazy-and-veiled-and-poetic-distance dreaming-state color. Sits at the hushed-and-soft end of the grid, parallel to misty and veiled in usage.

Curcuma
noun

The Linnaean genus name for turmeric — Curcuma longa — used in pigment vocabulary for the pure curcumin yellow extracted from the rhizome. Curcuma as a color refers specifically to the pigment isolated from C. longa: a saturated, slightly cool deep yellow with the matte finish of plant-derived pigment. The botanical-Latin cousin of haldi.

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.

#646b50
Original
#6f684e
Protanopia
#6e6851
Deuteranopia
#676864
Tritanopia
#686868
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
5.58:1
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
3.76:1

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
##646B50
Display P3
Display P3
color(display-p3 0.3972 0.4187 0.3243)
Inside sRGBOKLCH chroma 0.042

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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