Color #28BD37 Color / Colour Code #28BD37
This page shows the hex color code for color #28bd37 (#28BD37). The colour is a green tone with 65% saturation and 45% lightness. Explore its conversions, colour palettes, gradients, accessibility data, and CSS code below.
Color Conversions
Accessibility Contrast
WCAG contrast ratios for #28BD37 against common backgrounds.
Complementary Colors
#28BD37 paired with its color wheel opposite for maximum contrast.
Analogous Colors
Hues at 96, 126, and 156 degrees for harmonious combinations.
Triadic Palette
Three colors at 126, 246, and 6 degrees.
Color Palettes Using #28BD37
Five shades at lightness levels 15% through 85% while keeping hue at 126 and saturation at 65%. Use the darkest shade for text and the lightest for backgrounds to build a cohesive single-hue design system.
Adjacent hues from 126 to 171 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 126 with its complement at 306 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 #28BD37
Lightness variations at hue 126 and 65% saturation.
CSS Gradients with #28BD37
Design Use Cases for #28BD37
Vibrant Brand Color
#28BD37 has a strong 65% 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.
Primary Interface Color
At 45% lightness, #28BD37 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.
Success & Growth Indicators
#28BD37 falls in the green range (hue 126). Green universally represents success, growth, and safety. Use it for confirmation messages, positive chart data, eco-friendly badges, and health metrics. In financial dashboards, green indicates gains and positive performance.
Gradient Pairing
Create a gradient from #28BD37 (hue 126) to its complement at hue 306. For a subtler effect, try pairing with an analogous color at hue 156. Use CSS: background: linear-gradient(135deg, #28bd37, #bd28ae);
CSS Code for #28BD37
Similar Colors
Colors visually similar to #28BD37 based on RGB, lightness, and hue variations.
Use This Color in Design Tools
Apply #28BD37 across image editing and color design tools.
About Color #28BD37 (#28BD37)
#28BD37 is a green color (colour) with RGB channel values of 40 red, 189 green, and 55 blue. The green channel is dominant by a ratio of 4.7:1 over the weakest channel. In HSL terms, the hue sits at 126 degrees with 65% saturation and 45% lightness, placing it in the neutral-to-cool range of the colour spectrum.
The perceived brightness of #28BD37 is 129/255 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 79% cyan, 0% magenta, 71% yellow, and 26% key (black).
The WCAG contrast ratio of #28BD37 against white is 2.49:1 and against black is 8.42:1. This does not meet AA requirements on white. Use it on dark backgrounds where it achieves 8.42:1, or use it exclusively for decorative purposes.
The complementary colour #BD28AE creates maximum visual tension when paired with #28BD37. For more harmonious color combinations, use the analogous colours #64BD28 and #28BD82, 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 #28BD37
- 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 #28BD37?
- #28BD37 is Color #28BD37, a green color (colour) with RGB(40, 189, 55), HSL(126, 65%, 45%), and CMYK(79%, 0%, 71%, 26%). Its perceived brightness is 129/255.
- Is #28BD37 accessible for text?
- Against white, #28BD37 has a contrast ratio of 2.49:1 (fails AA for normal text). Against black, it has 8.42:1 (passes AA). Use the contrast checker tool for custom background pairings.
- What colours pair well with #28BD37?
- The complementary colour is #BD28AE (hue 306). For subtle color combinations, use analogous colours #64BD28 and #28BD82. The triadic palette adds #3728BD and #BD3728 for vibrant variety.
- How do I use #28BD37 in CSS?
- Use any format: color: #28bd37; or rgb(40, 189, 55); or hsl(126, 65%, 45%). For CSS custom properties: --color-primary: 126 65% 45%; 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.