Palettes / Colors / #634603
#634603 — Deep Vivid Yellow
#634603 is a yellow color we call Deep Vivid Yellow, closest to the named color SaddleBrown (#8B4513). It belongs to the yellow family.
Color name
Closest CSS keyword: saddlebrown (#8B4513) — not an exact match. CSS saddlebrown gives you #8B4513, a different color; use #634603 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.
#634603 is a warm yellow color associated with optimism, attention and cheer. It is deep enough for text, outlines and dark interface surfaces, and makes light colors glow next to it.
Its strongest partner is its complement #032063; it also sits naturally between #631603 and #506303. In the palettes below you can see it working alongside real color combinations from our collection.
Color values
| HEX | #634603 |
|---|---|
| RGB | 99, 70, 3 |
| HSL | 42°, 94%, 20% |
| HSV | 42°, 97%, 39% |
| CMYK | 0%, 29%, 97%, 61% |
| XYZ | 7.35, 7.04, 1.06 |
| Yxy | 7.04, 0.4759, 0.4557 |
| CIE-Lab | 31.90, 6.59, 39.91 |
| Hunter Lab | 26.53, 4.52, 15.33 |
RGB & CMYK percentages
Red 39% · Green 27% · Blue 1%
Cyan 0% · Magenta 29% · Yellow 97% · Key 61%
CMYK values are unprofiled approximations for screen reference — not a print-proofing guarantee.
Previews
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CSS code for #634603
.text { color: #634603; }
.background { background-color: #634603; }
.border { border: 3px solid #634603; }
.text-rgb { color: rgb(99, 70, 3); }
.text-hsl { color: hsl(42, 94%, 20%); }
.text-shadow-hex { text-shadow: 4px 4px 2px #634603; }
.text-shadow-rgba { text-shadow: 4px 4px 2px rgba(99, 70, 3, 0.8); }
.box-shadow-hex { box-shadow: 1px 1px 3px 2px #634603; }
.box-shadow-rgba { box-shadow: 1px 1px 3px 2px rgba(99, 70, 3, 0.8); }
HTML: <p style="color:#634603">Text here</p> · <div style="background-color:#634603">Div content here</div>
Shades of #634603
Tints of #634603
Tones of #634603
Color harmonies
Complementary — #032063:
Analogous:
Triadic:
Contrast & accessibility
| Against white text | 8.72:1 AAA |
|---|---|
| Against black text | 2.41:1 Fails |
Best text color on #634603: #FFFFFF.
Semi-transparent (opacity) text on #634603
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 #634603: ·
How #634603 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 #634603 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 #634603?
#634603 is Deep Vivid Yellow, a yellow color (RGB 99, 70, 3). Its closest standard named color is SaddleBrown.
What is the RGB and HSL of #634603?
#634603 is RGB 99, 70, 3 — HSL 42°, 94%, 20% — CMYK 0%, 29%, 97%, 61%.
What colors go with #634603?
Its complement is #032063; analogous partners are #631603 and #506303. It also appears in 6+ palettes in our collection.
Can I use #634603 for text?
White text on #634603 has a contrast ratio of 8.72:1 (passes WCAG AA); black text gives 2.41:1.