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Bountiful Spurrite

#b755d3
Notes

Bountiful Spurrite (#B755D3) is a true violet with a cool character. It leans cool, sitting on the blue, green, and violet side of the wheel. Quiet and dependable, a fit for product UI and data visualization. Its HSL profile (287°, 59%, 58%) places it in the balanced 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 green. For something softer, pull in its analogous neighbors on either side of the wheel.

HEX
#b755d3
RGB
rgb(183, 85, 211)
HSL
hsl(287, 59%, 58%)
HWB
hwb(287 33% 17%)
OKLCH
oklch(62.2% 0.201 318.1)
HSV
hsv(287, 60%, 83%)
LAB
lab(53.24% 58.32 -48.06)
LCH
lch(53.24% 75.58 320.51)
CMYK
cmyk(13%, 60%, 0%, 17%)

Etymology

Bountiful
adjective

Old French bonté, goodness — adjectival suffix -ful. As a color modifier, bountiful implies a saturated-and-generous-and-abundant quality where the hue offers visual richness without measure. Sits at the bold-and-saturated end of the grid, parallel to abundant and plentiful in usage.

Spurrite
noun

Rare calcium silicate-carbonate mineral first described from the Velardeña mine of Durango, Mexico, in 1909. The mineral is named for Josiah Edward Spurr, an American economic geologist of the early 20th century. Spurrite color refers to a deep-violet Velardeña spurrite massive specimen: a saturated, slightly cool deep violet with the matte finish of fine-grained calcium silicate-carbonate. The color comes from trace manganese substitution in the calcium sites.

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

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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.

#b755d3
Original
#3479d7
Protanopia
#5b82d0
Deuteranopia
#b76a8c
Tritanopia
#737373
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).
AA Largeon White
4.00:1
The quick brown foxSample body text at normal size. The wcag minimum for body contrast is 4.5:1 (AA) or 7:1 (AAA).
AAon Black
5.25:1

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