Color #663E24 Color / Colour Code #663E24
This page shows the hex color code for color #663e24 (#663E24). The colour is a orange tone with 48% saturation and 27% lightness. Explore its conversions, colour palettes, gradients, accessibility data, and CSS code below.
Color Conversions
Accessibility Contrast
WCAG contrast ratios for #663E24 against common backgrounds.
Complementary Colors
#663E24 paired with its color wheel opposite for maximum contrast.
Analogous Colors
Hues at 354, 24, and 54 degrees for harmonious combinations.
Triadic Palette
Three colors at 24, 144, and 264 degrees.
Color Palettes Using #663E24
Five shades at lightness levels 15% through 85% while keeping hue at 24 and saturation at 48%. Use the darkest shade for text and the lightest for backgrounds to build a cohesive single-hue design system.
Adjacent hues from 24 to 69 degrees create a warm, unified palette. This analogous scheme works for marketing materials, seasonal campaigns, and any design that needs visual warmth without clashing colors.
Combines the base color at hue 24 with its complement at 204 and two adjacent cool tones. This split-complementary approach provides strong visual contrast while remaining more balanced than a pure complementary scheme.
Five evenly spaced hues at 40% saturation and 80% lightness. Pastels are gentle on the eyes and work well for dashboards, onboarding screens, category tags, and any interface where multiple distinct colors are needed without visual aggression.
Shades & Tints of #663E24
Lightness variations at hue 24 and 48% saturation.
CSS Gradients with #663E24
Design Use Cases for #663E24
Balanced UI Color
At 48% saturation, #663E24 strikes a balance between vibrancy and restraint. This makes it versatile for primary UI elements like navigation bars, card headers, and form accents. It draws attention without overwhelming adjacent content.
Deep Accent & Text Color
#663E24 at 27% lightness is dark enough for readable body text on light backgrounds while retaining its orange character. Use for headings, emphasized text, or deep accent borders. It provides contrast without the harshness of pure black.
Warmth & Enthusiasm
#663E24 sits in the orange range (hue 24). Orange combines the energy of red with the warmth of yellow. It works naturally for progress indicators, pricing highlights, "new" badges, and friendly call-to-action buttons. Food and fitness brands frequently use this hue range.
Gradient Pairing
Create a gradient from #663E24 (hue 24) to its complement at hue 204. For a subtler effect, try pairing with an analogous color at hue 54. Use CSS: background: linear-gradient(135deg, #663e24, #244b66);
CSS Code for #663E24
Similar Colors
Colors visually similar to #663E24 based on RGB, lightness, and hue variations.
Use This Color in Design Tools
Apply #663E24 across image editing and color design tools.
About Color #663E24 (#663E24)
#663E24 is a orange color (colour) with RGB channel values of 102 red, 62 green, and 36 blue. The red channel is dominant by a ratio of 2.8:1 over the weakest channel. In HSL terms, the hue sits at 24 degrees with 48% saturation and 27% lightness, placing it in the warm range of the colour spectrum.
The perceived brightness of #663E24 is 71/255 using the ITU-R BT.601 luma formula (0.299R + 0.587G + 0.114B). This appears dark to the human eye, so pair it with light text for adequate readability. For print production, the CMYK equivalent is 0% cyan, 39% magenta, 65% yellow, and 60% key (black).
The WCAG contrast ratio of #663E24 against white is 9.21:1 and against black is 2.28:1. This exceeds the AAA requirement (7:1) for normal text on white, making it excellent for body text and small UI labels on light backgrounds.
The complementary colour #244B66 creates maximum visual tension when paired with #663E24. For more harmonious color combinations, use the analogous colours #66242A and #665F24, which sit 30 degrees on either side of the hue wheel. To build a complete design system, start with the monochromatic scale above for consistent shade variations, then add one complementary or triadic accent for interactive elements.
How to Explore Color #663E24
- Enter your color value in HEX format.
- The tool converts it to RGB, HSL, CMYK format in real time.
- Copy the converted value to your clipboard.
What is HEX to RGB, HSL, CMYK color conversion
Converting from HEX to RGB, HSL, CMYK translates a color value between two different color models. Different color models are used in web design (HEX, RGB), print (CMYK), and color theory (HSL, HSV).
Related Tools & Colors
Frequently Asked Questions
- What color / colour is #663E24?
- #663E24 is Color #663E24, a orange color (colour) with RGB(102, 62, 36), HSL(24, 48%, 27%), and CMYK(0%, 39%, 65%, 60%). Its perceived brightness is 71/255.
- Is #663E24 accessible for text?
- Against white, #663E24 has a contrast ratio of 9.21:1 (passes AA for normal text). Against black, it has 2.28:1 (fails AA). Use the contrast checker tool for custom background pairings.
- What colours pair well with #663E24?
- The complementary colour is #244B66 (hue 204). For subtle color combinations, use analogous colours #66242A and #665F24. The triadic palette adds #24663E and #3E2466 for vibrant variety.
- How do I use #663E24 in CSS?
- Use any format: color: #663e24; or rgb(102, 62, 36); or hsl(24, 48%, 27%). For CSS custom properties: --color-primary: 24 48% 27%; then use it as hsl(var(--color-primary)).
- Is this color / colour explorer free?
- Yes, completely free with no signup required. All colour calculations run in your browser. You can explore any valid hex color code, not just the pre-generated palette.