Color #40684F Color / Colour Code #40684F
This page shows the hex color code for color #40684f (#40684F). The colour is a green tone with 24% saturation and 33% lightness. Explore its conversions, colour palettes, gradients, accessibility data, and CSS code below.
Color Conversions
Accessibility Contrast
WCAG contrast ratios for #40684F against common backgrounds.
Complementary Colors
#40684F paired with its color wheel opposite for maximum contrast.
Analogous Colors
Hues at 113, 143, and 173 degrees for harmonious combinations.
Triadic Palette
Three colors at 143, 263, and 23 degrees.
Color Palettes Using #40684F
Five shades at lightness levels 15% through 85% while keeping hue at 143 and saturation at 24%. Use the darkest shade for text and the lightest for backgrounds to build a cohesive single-hue design system.
Adjacent hues from 143 to 188 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 143 with its complement at 323 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 #40684F
Lightness variations at hue 143 and 24% saturation.
CSS Gradients with #40684F
Design Use Cases for #40684F
Muted Accent Color
With 24% saturation, #40684F has a subtle, sophisticated quality. This level of desaturation works well for secondary buttons, inactive states, subtle borders, and backgrounds that need a hint of color without being distracting. Muted colors communicate restraint and professionalism.
Primary Interface Color
At 33% lightness, #40684F 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
#40684F falls in the green range (hue 143). 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 #40684F (hue 143) to its complement at hue 323. For a subtler effect, try pairing with an analogous color at hue 173. Use CSS: background: linear-gradient(135deg, #40684f, #684059);
CSS Code for #40684F
Similar Colors
Colors visually similar to #40684F based on RGB, lightness, and hue variations.
Use This Color in Design Tools
Apply #40684F across image editing and color design tools.
About Color #40684F (#40684F)
#40684F is a green color (colour) with RGB channel values of 64 red, 104 green, and 79 blue. The green channel is dominant with a relatively balanced channel distribution. In HSL terms, the hue sits at 143 degrees with 24% saturation and 33% lightness, placing it in the neutral-to-cool range of the colour spectrum.
The perceived brightness of #40684F is 89/255 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 38% cyan, 0% magenta, 24% yellow, and 59% key (black).
The WCAG contrast ratio of #40684F against white is 6.34:1 and against black is 3.31:1. This meets the AA requirement (4.5:1) for normal text on white. For AAA compliance, consider darkening to at least 23% lightness.
The complementary colour #684059 creates maximum visual tension when paired with #40684F. For more harmonious color combinations, use the analogous colours #456840 and #406864, 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 #40684F
- 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 #40684F?
- #40684F is Color #40684F, a green color (colour) with RGB(64, 104, 79), HSL(143, 24%, 33%), and CMYK(38%, 0%, 24%, 59%). Its perceived brightness is 89/255.
- Is #40684F accessible for text?
- Against white, #40684F has a contrast ratio of 6.34:1 (passes AA for normal text). Against black, it has 3.31:1 (fails AA). Use the contrast checker tool for custom background pairings.
- What colours pair well with #40684F?
- The complementary colour is #684059 (hue 323). For subtle color combinations, use analogous colours #456840 and #406864. The triadic palette adds #4F4068 and #684F40 for vibrant variety.
- How do I use #40684F in CSS?
- Use any format: color: #40684f; or rgb(64, 104, 79); or hsl(143, 24%, 33%). For CSS custom properties: --color-primary: 143 24% 33%; 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.