Color #40B080 Color / Colour Code #40B080
This page shows the hex color code for color #40b080 (#40B080). The colour is a cyan tone with 47% saturation and 47% lightness. Explore its conversions, colour palettes, gradients, accessibility data, and CSS code below.
Color Conversions
Accessibility Contrast
WCAG contrast ratios for #40B080 against common backgrounds.
Complementary Colors
#40B080 paired with its color wheel opposite for maximum contrast.
Analogous Colors
Hues at 124, 154, and 184 degrees for harmonious combinations.
Triadic Palette
Three colors at 154, 274, and 34 degrees.
Color Palettes Using #40B080
Five shades at lightness levels 15% through 85% while keeping hue at 154 and saturation at 47%. Use the darkest shade for text and the lightest for backgrounds to build a cohesive single-hue design system.
Adjacent hues from 154 to 199 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 154 with its complement at 334 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 #40B080
Lightness variations at hue 154 and 47% saturation.
CSS Gradients with #40B080
Design Use Cases for #40B080
Balanced UI Color
At 47% saturation, #40B080 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.
Primary Interface Color
At 47% lightness, #40B080 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
#40B080 is in the cyan spectrum (hue 154). 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 #40B080 (hue 154) to its complement at hue 334. For a subtler effect, try pairing with an analogous color at hue 184. Use CSS: background: linear-gradient(135deg, #40b080, #b04070);
CSS Code for #40B080
Similar Colors
Colors visually similar to #40B080 based on RGB, lightness, and hue variations.
Use This Color in Design Tools
Apply #40B080 across image editing and color design tools.
About Color #40B080 (#40B080)
#40B080 is a cyan color (colour) with RGB channel values of 64 red, 176 green, and 128 blue. The green channel is dominant by a ratio of 2.8:1 over the weakest channel. In HSL terms, the hue sits at 154 degrees with 47% saturation and 47% lightness, placing it in the neutral-to-cool range of the colour spectrum.
The perceived brightness of #40B080 is 137/255 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 64% cyan, 0% magenta, 27% yellow, and 31% key (black).
The WCAG contrast ratio of #40B080 against white is 2.71:1 and against black is 7.74:1. This does not meet AA requirements on white. Use it on dark backgrounds where it achieves 7.74:1, or use it exclusively for decorative purposes.
The complementary colour #B04070 creates maximum visual tension when paired with #40B080. For more harmonious color combinations, use the analogous colours #40B047 and #40A9B0, 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 #40B080
- 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 #40B080?
- #40B080 is Color #40B080, a cyan color (colour) with RGB(64, 176, 128), HSL(154, 47%, 47%), and CMYK(64%, 0%, 27%, 31%). Its perceived brightness is 137/255.
- Is #40B080 accessible for text?
- Against white, #40B080 has a contrast ratio of 2.71:1 (fails AA for normal text). Against black, it has 7.74:1 (passes AA). Use the contrast checker tool for custom background pairings.
- What colours pair well with #40B080?
- The complementary colour is #B04070 (hue 334). For subtle color combinations, use analogous colours #40B047 and #40A9B0. The triadic palette adds #7F40B0 and #B07F40 for vibrant variety.
- How do I use #40B080 in CSS?
- Use any format: color: #40b080; or rgb(64, 176, 128); or hsl(154, 47%, 47%). For CSS custom properties: --color-primary: 154 47% 47%; 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.