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Certain Naivasha

#ac308c
Notes

Certain Naivasha (#AC308C) is a true magenta 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 (315°, 56%, 43%) 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
#ac308c
RGB
rgb(172, 48, 140)
HSL
hsl(315, 56%, 43%)
HWB
hwb(315 19% 33%)
OKLCH
oklch(52.8% 0.186 340.2)
HSV
hsv(315, 72%, 67%)
LAB
lab(42.43% 58.84 -23.45)
LCH
lch(42.43% 63.34 338.27)
CMYK
cmyk(0%, 72%, 19%, 33%)

Etymology

Certain
adjective

Latin certus, fixed / sure — sharing root with English concern and certify. As a color modifier, certain implies a saturated-and-unambiguous quality where the hue declares its character without hesitation. Sits at the bold-and-confident end of the grid, parallel to assured and decisive in usage.

Naivasha
noun

Kenyan Rift Valley freshwater lake — and the seasonal nesting site of Phoenicopterus ruber lesser-flamingo flocks whose massed pink-magenta plumage colors the lake-edge mudflats during the summer breeding season. Naivasha color refers to a Lake Naivasha mudflat with massed Phoenicopterus ruber in late-afternoon light: a saturated, slightly cool deep magenta with the optical complexity of carotenoid-pigmented feather mass against muddy water.

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.

#ac308c
Original
#38588f
Protanopia
#606b89
Deuteranopia
#b6345a
Tritanopia
#515151
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
5.91:1
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
3.56:1

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