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Pallid Niloo

#b9d1e7
Notes

Pallid Niloo (#B9D1E7) is a soft azure with a pastel character. It reads calm and airy, with enough chroma to feel intentional rather than washed out. Its HSL profile (209°, 49%, 82%) places it in the balanced band at a light lightness. It works as a background wash, large-area fill, or soft illustration tone. Add a darker ink of the same hue when you need type over it. For a confident two-color system, pair it with its complementary orange. For something softer, pull in its analogous neighbors on either side of the wheel.

HEX
#b9d1e7
RGB
rgb(185, 209, 231)
HSL
hsl(209, 49%, 82%)
HWB
hwb(209 73% 9%)
OKLCH
oklch(85.0% 0.040 246.0)
P3
color(display-p3 0.7433 0.8167 0.8973)
HSV
hsv(209, 20%, 91%)
LAB
lab(82.74% -3.42 -13.53)
LCH
lch(82.74% 13.95 255.83)
CMYK
cmyk(20%, 10%, 0%, 9%)

Etymology

Pallid
adjective

Latin pallidus, pale. As a color modifier, pallid implies a pale-and-drained-of-color quality where the hue carries the visual register of Edwardian-period drained-of-vitality-and-pale dimmed-lighting interior color-finish. Sits at the pale-and-drained end of the grid, parallel to wan and pasty in usage.

Niloo
noun

The Persian word for indigo plant — borrowed from Sanskrit nīla (dark blue). Niloo names the plant Indigofera tinctoria in Persian and the saturated deep blue dye it produces. The color refers to a freshly niloo-dyed Persian carpet: a saturated, slightly cool deep blue with the matte finish of plant-and-mordant dye.

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.

#b9d1e7
Original
#c9d1e8
Protanopia
#c3cce7
Deuteranopia
#add6d8
Tritanopia
#cdcdcd
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).
Failon White
1.57:1
The quick brown foxSample body text at normal size. The wcag minimum for body contrast is 4.5:1 (AA) or 7:1 (AAA).
AAAon Black
13.34:1

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
##B9D1E7
Display P3
Display P3
color(display-p3 0.7433 0.8167 0.8973)
Inside sRGBOKLCH chroma 0.040

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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