Palettes / Colors / #63BB99

#63BB99 — Muted Green

#63BB99 is a green color we call Muted Green, closest to the named color CadetBlue (#5F9EA0). It belongs to the green family.

Color name

Closest CSS keyword: cadetblue (#5F9EA0) — not an exact match. CSS cadetblue gives you #5F9EA0, a different color; use #63BB99 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.

#63BB99 is a cool green color associated with growth, calm and balance. It sits comfortably in the middle: usable for large areas in soft schemes, or as a supporting color beside something stronger.

Its strongest partner is its complement #BB6385; it also sits naturally between #63BB6D and #63B0BB. In the palettes below you can see it working alongside real color combinations from our collection.

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Color values

RGB & CMYK percentages

Red 39% · Green 73% · Blue 60%

Cyan 47% · Magenta 0% · Yellow 18% · Key 27%

CMYK values are unprofiled approximations for screen reference — not a print-proofing guarantee.

Previews

CSS code for #63BB99

.text { color: #63BB99; }
.background { background-color: #63BB99; }
.border { border: 3px solid #63BB99; }
.text-rgb { color: rgb(99, 187, 153); }
.text-hsl { color: hsl(157, 39%, 56%); }
.text-shadow-hex { text-shadow: 4px 4px 2px #63BB99; }
.text-shadow-rgba { text-shadow: 4px 4px 2px rgba(99, 187, 153, 0.8); }
.box-shadow-hex { box-shadow: 1px 1px 3px 2px #63BB99; }
.box-shadow-rgba { box-shadow: 1px 1px 3px 2px rgba(99, 187, 153, 0.8); }

HTML: <p style="color:#63BB99">Text here</p> · <div style="background-color:#63BB99">Div content here</div>

Shades of #63BB99

Tints of #63BB99

Tones of #63BB99

Color harmonies

Complementary — #BB6385:

Analogous:

Triadic:

Contrast & accessibility

Best text color on #63BB99: #000000.

Semi-transparent (opacity) text on #63BB99

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:

How #63BB99 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 #63BB99 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

← #63BB98  ·  #63BB9A →

Frequently asked questions

What color is #63BB99?

#63BB99 is Muted Green, a green color (RGB 99, 187, 153). Its closest standard named color is CadetBlue.

What is the RGB and HSL of #63BB99?

#63BB99 is RGB 99, 187, 153 — HSL 157°, 39%, 56% — CMYK 47%, 0%, 18%, 27%.

What colors go with #63BB99?

Its complement is #BB6385; analogous partners are #63BB6D and #63B0BB. It also appears in 6+ palettes in our collection.

Can I use #63BB99 for text?

Black text on #63BB99 has a contrast ratio of 9.10:1 (passes WCAG AA); white text gives 2.31:1.