Color #03B577 Color / Colour Code #03B577
This page shows the hex color code for color #03b577 (#03B577). The colour is a cyan tone with 97% saturation and 36% lightness. Explore its conversions, colour palettes, gradients, accessibility data, and CSS code below.
Color Conversions
Accessibility Contrast
WCAG contrast ratios for #03B577 against common backgrounds.
Complementary Colors
#03B577 paired with its color wheel opposite for maximum contrast.
Analogous Colors
Hues at 129, 159, and 189 degrees for harmonious combinations.
Triadic Palette
Three colors at 159, 279, and 39 degrees.
Color Palettes Using #03B577
Five shades at lightness levels 15% through 85% while keeping hue at 159 and saturation at 97%. Use the darkest shade for text and the lightest for backgrounds to build a cohesive single-hue design system.
Adjacent hues from 159 to 204 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 159 with its complement at 339 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 #03B577
Lightness variations at hue 159 and 97% saturation.
CSS Gradients with #03B577
Design Use Cases for #03B577
High-Impact Accent
With 97% saturation, #03B577 is highly vivid. Reserve this for elements that need maximum attention: primary action buttons, notification badges, error states, or promotional banners. Use sparingly alongside neutral tones to avoid visual fatigue.
Primary Interface Color
At 36% lightness, #03B577 is in the mid-range, making it ideal for interactive elements like buttons, links, and selected states. This lightness level ensures good contrast against both light and dark adjacent elements in most layouts.
Clarity & Technology
#03B577 is in the cyan spectrum (hue 159). Cyan evokes technology, clarity, and innovation. It works well for tech product interfaces, data visualization accents, loading indicators, and futuristic design themes. Cyan provides a modern alternative to traditional blues.
Gradient Pairing
Create a gradient from #03B577 (hue 159) to its complement at hue 339. For a subtler effect, try pairing with an analogous color at hue 189. Use CSS: background: linear-gradient(135deg, #03b577, #b50341);
CSS Code for #03B577
Similar Colors
Colors visually similar to #03B577 based on RGB, lightness, and hue variations.
Use This Color in Design Tools
Apply #03B577 across image editing and color design tools.
About Color #03B577 (#03B577)
#03B577 is a cyan color (colour) with RGB channel values of 3 red, 181 green, and 119 blue. The green channel is dominant by a ratio of 60.3:1 over the weakest channel. In HSL terms, the hue sits at 159 degrees with 97% saturation and 36% lightness, placing it in the neutral-to-cool range of the colour spectrum.
The perceived brightness of #03B577 is 121/255 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 98% cyan, 0% magenta, 34% yellow, and 29% key (black).
The WCAG contrast ratio of #03B577 against white is 2.67:1 and against black is 7.88:1. This does not meet AA requirements on white. Use it on dark backgrounds where it achieves 7.88:1, or use it exclusively for decorative purposes.
The complementary colour #B50341 creates maximum visual tension when paired with #03B577. For more harmonious color combinations, use the analogous colours #03B51D and #039AB5, 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 #03B577
- 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 #03B577?
- #03B577 is Color #03B577, a cyan color (colour) with RGB(3, 181, 119), HSL(159, 97%, 36%), and CMYK(98%, 0%, 34%, 29%). Its perceived brightness is 121/255.
- Is #03B577 accessible for text?
- Against white, #03B577 has a contrast ratio of 2.67:1 (fails AA for normal text). Against black, it has 7.88:1 (passes AA). Use the contrast checker tool for custom background pairings.
- What colours pair well with #03B577?
- The complementary colour is #B50341 (hue 339). For subtle color combinations, use analogous colours #03B51D and #039AB5. The triadic palette adds #7703B5 and #B57703 for vibrant variety.
- How do I use #03B577 in CSS?
- Use any format: color: #03b577; or rgb(3, 181, 119); or hsl(159, 97%, 36%). For CSS custom properties: --color-primary: 159 97% 36%; 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.