Palettes / Colors / #AACEFF
#AACEFF — Pale Vivid Blue
#AACEFF is a blue color we call Pale Vivid Blue, closest to the named color LightBlue (#ADD8E6). It belongs to the blue family.
Color name
Closest CSS keyword: lightblue (#ADD8E6) — not an exact match. CSS lightblue gives you #ADD8E6, a different color; use #AACEFF when you need this exact shade.
Sources: common names follow widely used color-name references; CSS keywords and their hex values follow the CSS Color specification.
#AACEFF is a cool blue color associated with trust, calm and professionalism. It is light enough to work as a background or base color, with darker text on top.
Its strongest partner is its complement #FFDBA8; it also sits naturally between #A8F8FF and #B0A8FF. In the palettes below you can see it working alongside real color combinations from our collection.
Color values
| HEX | #AACEFF |
|---|---|
| RGB | 170, 206, 255 |
| HSL | 215°, 100%, 83% |
| HSV | 215°, 33%, 100% |
| CMYK | 33%, 19%, 0%, 0% |
| XYZ | 56.70, 59.91, 103.18 |
| Yxy | 59.91, 0.2580, 0.2726 |
| CIE-Lab | 81.79, -0.60, -27.85 |
| Hunter Lab | 77.40, -0.57, -30.19 |
RGB & CMYK percentages
Red 67% · Green 81% · Blue 100%
Cyan 33% · Magenta 19% · Yellow 0% · Key 0%
CMYK values are unprofiled approximations for screen reference — not a print-proofing guarantee.
Previews
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CSS code for #AACEFF
.text { color: #AACEFF; }
.background { background-color: #AACEFF; }
.border { border: 3px solid #AACEFF; }
.text-rgb { color: rgb(170, 206, 255); }
.text-hsl { color: hsl(215, 100%, 83%); }
.text-shadow-hex { text-shadow: 4px 4px 2px #AACEFF; }
.text-shadow-rgba { text-shadow: 4px 4px 2px rgba(170, 206, 255, 0.8); }
.box-shadow-hex { box-shadow: 1px 1px 3px 2px #AACEFF; }
.box-shadow-rgba { box-shadow: 1px 1px 3px 2px rgba(170, 206, 255, 0.8); }
HTML: <p style="color:#AACEFF">Text here</p> · <div style="background-color:#AACEFF">Div content here</div>
Shades of #AACEFF
Tints of #AACEFF
Tones of #AACEFF
Color harmonies
Complementary — #FFDBA8:
Analogous:
Triadic:
Contrast & accessibility
| Against white text | 1.62:1 Fails |
|---|---|
| Against black text | 12.98:1 AAA |
Best text color on #AACEFF: #000000.
Semi-transparent (opacity) text on #AACEFF
Text set with opacity blends into the background, so its real contrast is lower than the solid ratios above. Choose a text color and an opacity to see the blended color and its true ratio:
Smaller body text shows the effect best.
Blended color: · Contrast against #AACEFF: ·
How #AACEFF looks with color blindness
Simulated with standard Machado color-vision-deficiency matrices — useful when this color carries meaning in charts, maps or interfaces:
Closest design-system colors
The nearest matches in the Tailwind CSS, Material Design and Bootstrap palettes — handy when you need a framework class instead of a raw hex:
Palettes with a similar color
These palettes use a close neighbour of #AACEFF rather than the exact color:
Similar colors
The closest colors that actually appear in our palette collection — click any to open its page:
Browse neighbouring colors
Frequently asked questions
What color is #AACEFF?
#AACEFF is Pale Vivid Blue, a blue color (RGB 170, 206, 255). Its closest standard named color is LightBlue.
What is the RGB and HSL of #AACEFF?
#AACEFF is RGB 170, 206, 255 — HSL 215°, 100%, 83% — CMYK 33%, 19%, 0%, 0%.
What colors go with #AACEFF?
Its complement is #FFDBA8; analogous partners are #A8F8FF and #B0A8FF. It also appears in 6+ palettes in our collection.
Can I use #AACEFF for text?
Black text on #AACEFF has a contrast ratio of 12.98:1 (passes WCAG AA); white text gives 1.62:1.