Color #EF8557 Color / Colour Code #EF8557
This page shows the hex color code for color #ef8557 (#EF8557). The colour is a orange tone with 83% saturation and 64% lightness. Explore its conversions, colour palettes, gradients, accessibility data, and CSS code below.
Color Conversions
Accessibility Contrast
WCAG contrast ratios for #EF8557 against common backgrounds.
Complementary Colors
#EF8557 paired with its color wheel opposite for maximum contrast.
Analogous Colors
Hues at 348, 18, and 48 degrees for harmonious combinations.
Triadic Palette
Three colors at 18, 138, and 258 degrees.
Color Palettes Using #EF8557
Five shades at lightness levels 15% through 85% while keeping hue at 18 and saturation at 83%. Use the darkest shade for text and the lightest for backgrounds to build a cohesive single-hue design system.
Adjacent hues from 18 to 63 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 18 with its complement at 198 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 #EF8557
Lightness variations at hue 18 and 83% saturation.
CSS Gradients with #EF8557
Design Use Cases for #EF8557
Vibrant Brand Color
#EF8557 has a strong 83% 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.
Soft Accent & Highlight
With 64% lightness, #EF8557 has a softer, more approachable quality. It works well for hover states, subtle highlights, progress indicators, and secondary UI elements. This lightness range is particularly effective for tag backgrounds and status indicators.
Warmth & Enthusiasm
#EF8557 sits in the orange range (hue 18). 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 #EF8557 (hue 18) to its complement at hue 198. For a subtler effect, try pairing with an analogous color at hue 48. Use CSS: background: linear-gradient(135deg, #ef8557, #57c2ef);
CSS Code for #EF8557
Similar Colors
Colors visually similar to #EF8557 based on RGB, lightness, and hue variations.
Use This Color in Design Tools
Apply #EF8557 across image editing and color design tools.
About Color #EF8557 (#EF8557)
#EF8557 is a orange color (colour) with RGB channel values of 239 red, 133 green, and 87 blue. The red channel is dominant by a ratio of 2.7:1 over the weakest channel. In HSL terms, the hue sits at 18 degrees with 83% saturation and 64% lightness, placing it in the warm range of the colour spectrum.
The perceived brightness of #EF8557 is 159/255 using the ITU-R BT.601 luma formula (0.299R + 0.587G + 0.114B). This is a medium-brightness color that can work with either dark or light text depending on font weight and size. For print production, the CMYK equivalent is 0% cyan, 44% magenta, 64% yellow, and 6% key (black).
The WCAG contrast ratio of #EF8557 against white is 2.57:1 and against black is 8.16:1. This does not meet AA requirements on white. Use it on dark backgrounds where it achieves 8.16:1, or use it exclusively for decorative purposes.
The complementary colour #57C2EF creates maximum visual tension when paired with #EF8557. For more harmonious color combinations, use the analogous colours #EF5775 and #EFD157, 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 #EF8557
- 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 #EF8557?
- #EF8557 is Color #EF8557, a orange color (colour) with RGB(239, 133, 87), HSL(18, 83%, 64%), and CMYK(0%, 44%, 64%, 6%). Its perceived brightness is 159/255.
- Is #EF8557 accessible for text?
- Against white, #EF8557 has a contrast ratio of 2.57:1 (fails AA for normal text). Against black, it has 8.16:1 (passes AA). Use the contrast checker tool for custom background pairings.
- What colours pair well with #EF8557?
- The complementary colour is #57C2EF (hue 198). For subtle color combinations, use analogous colours #EF5775 and #EFD157. The triadic palette adds #57EF85 and #8557EF for vibrant variety.
- How do I use #EF8557 in CSS?
- Use any format: color: #ef8557; or rgb(239, 133, 87); or hsl(18, 83%, 64%). For CSS custom properties: --color-primary: 18 83% 64%; 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.