Palettes / Colors / #636331

#636331 — Muted Yellow

#636331 is a yellow color we call Muted Yellow, closest to the named color DarkOliveGreen (#556B2F). It belongs to the yellow family.

Color name

Closest CSS keyword: darkolivegreen (#556B2F) — not an exact match. CSS darkolivegreen gives you #556B2F, a different color; use #636331 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.

#636331 is a warm yellow color associated with optimism, attention and cheer. 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 #313163; it also sits naturally between #634A31 and #4A6331. 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 39% · Blue 19%

Cyan 0% · Magenta 0% · Yellow 51% · Key 61%

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

Previews

CSS code for #636331

.text { color: #636331; }
.background { background-color: #636331; }
.border { border: 3px solid #636331; }
.text-rgb { color: rgb(99, 99, 49); }
.text-hsl { color: hsl(60, 34%, 29%); }
.text-shadow-hex { text-shadow: 4px 4px 2px #636331; }
.text-shadow-rgba { text-shadow: 4px 4px 2px rgba(99, 99, 49, 0.8); }
.box-shadow-hex { box-shadow: 1px 1px 3px 2px #636331; }
.box-shadow-rgba { box-shadow: 1px 1px 3px 2px rgba(99, 99, 49, 0.8); }

HTML: <p style="color:#636331">Text here</p> · <div style="background-color:#636331">Div content here</div>

Shades of #636331

Tints of #636331

Tones of #636331

Color harmonies

Complementary — #313163:

Analogous:

Triadic:

Contrast & accessibility

Best text color on #636331: #FFFFFF.

Semi-transparent (opacity) text on #636331

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 #636331 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 #636331 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

← #636330  ·  #636332 →

Frequently asked questions

What color is #636331?

#636331 is Muted Yellow, a yellow color (RGB 99, 99, 49). Its closest standard named color is DarkOliveGreen.

What is the RGB and HSL of #636331?

#636331 is RGB 99, 99, 49 — HSL 60°, 34%, 29% — CMYK 0%, 0%, 51%, 61%.

What colors go with #636331?

Its complement is #313163; analogous partners are #634A31 and #4A6331. It also appears in 6+ palettes in our collection.

Can I use #636331 for text?

White text on #636331 has a contrast ratio of 6.25:1 (passes WCAG AA); black text gives 3.36:1.