HEX
#7FFF00Primary tokenCSS Named Color Reference
Chartreuse Color Code
Chartreuse·#7FFF00
Green FamilyNeutralMid toneHigh saturationoklch(89.0% 0.265 136)
RGB
rgb(127, 255, 0)Screen valuesHSL
hsl(90 100% 50%)Hue and lightnessCMYK
50, 0, 100, 0Print handoffLAB
90, -68, 86Perceptual referenceOKLCH
oklch(89.0% 0.265 136)Modern perceptualChartreuse is a mid-tone, high-saturation CSS named color at #7FFF00. If you searched for chartreuse hex code, 7FFF00, or chartreuse RGB, this page gives the exact color value, conversion formats, contrast checks, nearby colors, and links into the lookup and converter workflows.
Best text colorDark text
Body text contrast13.24:1
Best UseSuccess states, natural brands, support actions, and calm interface signals
Tonal Scale
100#E8FFD1
300#C4FF8A
500#96FF2E
600#7FFF00
800#5BB800
Contrast Checks
White text on this color
Buttons, badges, and filled actions.
1.30:1Needs more separation
Dark text on this color
Large headings and selective UI.
13.24:1AAA-level contrast
This color on light surface
Links, borders, and icons on light UI.
1.23:1Needs more separation
Best text colorDark textContrast 13.24:1
Professional Reference
OKLCHoklch(89.0% 0.265 136)
Relative Luminance0.7603
Source TypeCSS Named Color
Classification
Green FamilyNeutralMid toneHigh saturation
Source Context
Source Type
CSS Named Color
System
CSS
Closest Matches
Lawn GreenMaterial Light Green A400Green Yellow
Color Notes
- Chartreuse is kept as an exact CSS named color for #7FFF00.
- Queries for chartreuse color code, 7FFF00, or chartreuse RGB usually need the value first, then contrast and implementation context.
Accessibility Matrix
White text on this color
White text placed on the current color.
1.30:1Needs more separation
Dark text on this color
Dark text or headings on the current color.
13.24:1AAA
This color on light surface
Use this color for links, strokes, or icons on light UI.
1.23:1Needs more separation
This color on dark surface
Use this color inside dark shells for strokes, tags, or icons.
13.24:1AAA
Best text colorDark textContrast 13.24:1 · AAA
Where It Works
- Use it for success states, support actions, ecology cues, and stable positive feedback.
- Very bright greens need contrast testing before they become buttons or text backgrounds.
- Pair with white, charcoal, soft neutrals, and nearby teal or yellow-green colors.
Reference Notes
Last Updated
2026-09-03
Source Library
CSS Standard Colors
Methodology
Verified source values + site guidance
Color Notes
Chartreuse is sourced from the published CSS Standard Colors library and retained here as a searchable reference swatch for product and interface reference work.
Hue Family
Natural greens for sustainability and calm systems.
Source Collections
CSS Named Colors
Related Colors
Palette Starting Points
Implementation Snippets
:root {
--color-chartreuse: #7FFF00;
--color-chartreuse-rgb: 127 255 0;
}class="bg-[#7FFF00] text-white"
class="hover:bg-[#5BB800] ring-1 ring-[#7FFF00]"{
"chartreuse": "#7FFF00",
"chartreuseRgb": [127, 255, 0],
"chartreuseHsl": [90, 100, 50]
}