Color #100B04 Color / Colour Code #100B04
This page shows the hex color code for color #100b04 (#100B04). The colour is a orange tone with 60% saturation and 4% lightness. Explore its conversions, colour palettes, gradients, accessibility data, and CSS code below.
Color Conversions
Accessibility Contrast
WCAG contrast ratios for #100B04 against common backgrounds.
Complementary Colors
#100B04 paired with its color wheel opposite for maximum contrast.
Analogous Colors
Hues at 5, 35, and 65 degrees for harmonious combinations.
Triadic Palette
Three colors at 35, 155, and 275 degrees.
Color Palettes Using #100B04
Five shades at lightness levels 15% through 85% while keeping hue at 35 and saturation at 60%. Use the darkest shade for text and the lightest for backgrounds to build a cohesive single-hue design system.
Adjacent hues from 35 to 80 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 35 with its complement at 215 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 #100B04
Lightness variations at hue 35 and 60% saturation.
CSS Gradients with #100B04
Design Use Cases for #100B04
Vibrant Brand Color
#100B04 has a strong 60% saturation that makes it ideal for brand identity elements. Use it for logos, primary call-to-action buttons, hero section accents, and marketing materials where visual impact matters. This saturation level is eye-catching without being harsh.
Dark Mode Background
At just 4% lightness, #100B04 works as a dark mode background or overlay color. Dark backgrounds reduce eye strain in low-light environments and make bright accent colors pop. Pair with light text (minimum 4.5:1 contrast ratio) for readability.
Warmth & Enthusiasm
#100B04 sits in the orange range (hue 35). 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 #100B04 (hue 35) to its complement at hue 215. For a subtler effect, try pairing with an analogous color at hue 65. Use CSS: background: linear-gradient(135deg, #100b04, #040910);
CSS Code for #100B04
Similar Colors
Colors visually similar to #100B04 based on RGB, lightness, and hue variations.
Use This Color in Design Tools
Apply #100B04 across image editing and color design tools.
About Color #100B04 (#100B04)
#100B04 is a orange color (colour) with RGB channel values of 16 red, 11 green, and 4 blue. The red channel is dominant by a ratio of 4.0:1 over the weakest channel. In HSL terms, the hue sits at 35 degrees with 60% saturation and 4% lightness, placing it in the warm range of the colour spectrum.
The perceived brightness of #100B04 is 12/255 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, 31% magenta, 75% yellow, and 94% key (black).
The WCAG contrast ratio of #100B04 against white is 19.60:1 and against black is 1.07:1. 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 #040910 creates maximum visual tension when paired with #100B04. For more harmonious color combinations, use the analogous colours #100504 and #0F1004, 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 #100B04
- 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 #100B04?
- #100B04 is Color #100B04, a orange color (colour) with RGB(16, 11, 4), HSL(35, 60%, 4%), and CMYK(0%, 31%, 75%, 94%). Its perceived brightness is 12/255.
- Is #100B04 accessible for text?
- Against white, #100B04 has a contrast ratio of 19.60:1 (passes AA for normal text). Against black, it has 1.07:1 (fails AA). Use the contrast checker tool for custom background pairings.
- What colours pair well with #100B04?
- The complementary colour is #040910 (hue 215). For subtle color combinations, use analogous colours #100504 and #0F1004. The triadic palette adds #04100B and #0B0410 for vibrant variety.
- How do I use #100B04 in CSS?
- Use any format: color: #100b04; or rgb(16, 11, 4); or hsl(35, 60%, 4%). For CSS custom properties: --color-primary: 35 60% 4%; 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.