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Straightforward Celeste

#acf9f8
Notes

Straightforward Celeste (#ACF9F8) is a soft cyan with a pastel character. It reads calm and airy, with enough chroma to feel intentional rather than washed out. Its HSL profile (179°, 87%, 83%) places it in the highly saturated band at a light lightness. Best used in small doses, like logos, CTAs, focus rings, or highlight text, where its saturation becomes a feature rather than noise. For a confident two-color system, pair it with its complementary red. For something softer, pull in its analogous neighbors on either side of the wheel.

HEX
#acf9f8
RGB
rgb(172, 249, 248)
HSL
hsl(179, 87%, 83%)
HWB
hwb(179 67% 2%)
OKLCH
oklch(93.2% 0.075 194.9)
HSV
hsv(179, 31%, 98%)
LAB
lab(93.14% -23.64 -7.06)
LCH
lch(93.14% 24.67 196.63)
CMYK
cmyk(31%, 0%, 0%, 2%)

Etymology

Straightforward
adjective

English compound straight + forward — sharing root with German geradeaus. As a color modifier, straightforward implies a clear-and-direct-and-unencumbered quality where the hue carries the visual register of clear-aim-and-uncomplicated character. Sits at the crisp-and-honest end of the grid, parallel to candid and direct in usage.

Celeste
noun

Italian and Spanish for celestial — the pale, slightly green-shifted blue of a Tuscan sky in summer or a Bolognese fresco background. Celeste as a color borrowing into English carries the same association: a clean, very pale blue with the matte finish of distemper paint. Lighter than azure, cooler than powder, with the Italian-architectural weight of a word that names the soffit color of a hundred Renaissance ceilings.

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.

#acf9f8
Original
#f0f2f8
Protanopia
#e1e7f9
Deuteranopia
#90fef8
Tritanopia
#e9e9e9
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
1.19:1
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
17.66:1

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