Color #128136 Color / Colour Code #128136
This page shows the hex color code for color #128136 (#128136). The colour is a green tone with 76% saturation and 29% lightness. Explore its conversions, colour palettes, gradients, accessibility data, and CSS code below.
Color Conversions
Accessibility Contrast
WCAG contrast ratios for #128136 against common backgrounds.
Complementary Colors
#128136 paired with its color wheel opposite for maximum contrast.
Analogous Colors
Hues at 109, 139, and 169 degrees for harmonious combinations.
Triadic Palette
Three colors at 139, 259, and 19 degrees.
Color Palettes Using #128136
Five shades at lightness levels 15% through 85% while keeping hue at 139 and saturation at 76%. Use the darkest shade for text and the lightest for backgrounds to build a cohesive single-hue design system.
Adjacent hues from 139 to 184 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 139 with its complement at 319 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 #128136
Lightness variations at hue 139 and 76% saturation.
CSS Gradients with #128136
Design Use Cases for #128136
Vibrant Brand Color
#128136 has a strong 76% 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.
Deep Accent & Text Color
#128136 at 29% lightness is dark enough for readable body text on light backgrounds while retaining its green character. Use for headings, emphasized text, or deep accent borders. It provides contrast without the harshness of pure black.
Success & Growth Indicators
#128136 falls in the green range (hue 139). 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 #128136 (hue 139) to its complement at hue 319. For a subtler effect, try pairing with an analogous color at hue 169. Use CSS: background: linear-gradient(135deg, #128136, #82125f);
CSS Code for #128136
Similar Colors
Colors visually similar to #128136 based on RGB, lightness, and hue variations.
Use This Color in Design Tools
Apply #128136 across image editing and color design tools.
About Color #128136 (#128136)
#128136 is a green color (colour) with RGB channel values of 18 red, 129 green, and 54 blue. The green channel is dominant by a ratio of 7.2:1 over the weakest channel. In HSL terms, the hue sits at 139 degrees with 76% saturation and 29% lightness, placing it in the neutral-to-cool range of the colour spectrum.
The perceived brightness of #128136 is 87/255 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 86% cyan, 0% magenta, 58% yellow, and 49% key (black).
The WCAG contrast ratio of #128136 against white is 4.98:1 and against black is 4.22:1. This meets the AA requirement (4.5:1) for normal text on white. For AAA compliance, consider darkening to at least 20% lightness.
The complementary colour #82125F creates maximum visual tension when paired with #128136. For more harmonious color combinations, use the analogous colours #268212 and #12826E, 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 #128136
- 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 #128136?
- #128136 is Color #128136, a green color (colour) with RGB(18, 129, 54), HSL(139, 76%, 29%), and CMYK(86%, 0%, 58%, 49%). Its perceived brightness is 87/255.
- Is #128136 accessible for text?
- Against white, #128136 has a contrast ratio of 4.98:1 (passes AA for normal text). Against black, it has 4.22:1 (fails AA). Use the contrast checker tool for custom background pairings.
- What colours pair well with #128136?
- The complementary colour is #82125F (hue 319). For subtle color combinations, use analogous colours #268212 and #12826E. The triadic palette adds #351282 and #823512 for vibrant variety.
- How do I use #128136 in CSS?
- Use any format: color: #128136; or rgb(18, 129, 54); or hsl(139, 76%, 29%). For CSS custom properties: --color-primary: 139 76% 29%; 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.