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Unyielding Neptune Fuchsia

#b12bcc
Notes

Unyielding Neptune Fuchsia (#B12BCC) is a true violet with a vibrant character. It holds its own as a focal accent, carrying visual weight without tipping into neon territory. Its HSL profile (290°, 65%, 48%) 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
#b12bcc
RGB
rgb(177, 43, 204)
HSL
hsl(290, 65%, 48%)
HWB
hwb(290 17% 20%)
OKLCH
oklch(56.8% 0.242 320.1)
P3
color(display-p3 0.6389 0.2149 0.7730)
HSV
hsv(290, 79%, 80%)
LAB
lab(46.23% 71.81 -55.32)
LCH
lch(46.23% 90.65 322.39)
CMYK
cmyk(13%, 79%, 0%, 20%)

Etymology

Unyielding
adjective

Old English un- (negation) plus gildan (to give-up). As a color modifier, unyielding implies a saturated-and-uncompromising quality where the hue refuses to fade-or-shift under any visual pressure. Sits at the bold-and-resilient end of the grid, parallel to indomitable and adamant in usage.

Neptune
modifier

Latin Neptunus, Roman-god-of-sea-and-eighth-planet. As a color modifier, neptune implies a Roman-god-of-sea-and-deep-blue-eighth-planet quality, the visual register of Roman-Neptune-and-Voyager-2-deep-blue hand-Roman-god-of-sea-and-deep-blue-eighth-planet Roman-Neptune-and-Voyager-2-deep-blue-and-Trevi-Fountain neptune-and-Roman-god-of-sea surfaces under Roman-Neptune-and-Voyager-2-deep-blue-and-Trevi-Fountain Voyager-2-flyby-and-Trevi-Fountain deep-blue-planet-light. Sits at the modifier-and-zodiac end of the grid, parallel to uranus and saturn in usage.

Fuchsia
noun

The genus Fuchsia — South American shrubs named in 1703 for the German botanist Leonhart Fuchs. The color refers to the calyx and tube of a vibrant Fuchsia magellanica hybrid: a saturated, slightly cool deep pink-magenta with the satiny finish of a tubular hummingbird-pollinated flower. Brighter than rose, warmer than orchid, with the bedding-and-basket weight of a plant genus whose flowers gave English the most attention-demanding pink in the spectrum.

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.

#b12bcc
Original
#0065d0
Protanopia
#3c72c9
Deuteranopia
#b14e7c
Tritanopia
#535353
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
5.14:1
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
4.09:1

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
##B12BCC
Display P3
Display P3
color(display-p3 0.6389 0.2149 0.7730)
P3 has visible headroomOKLCH chroma 0.242

This color is chromatic enough that authoring it as P3 native (instead of clamping to sRGB) gives a perceptibly more saturated render on wide-gamut displays — modern Macs, iPhones, iPads, and most recent OLED laptops.

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