Palettes / Colors / #CDEC40
#CDEC40 — Vivid Green
#CDEC40 is a green color we call Vivid Green, closest to the named color GreenYellow (#ADFF2F). It belongs to the green family.
Color name
Closest CSS keyword: greenyellow (#ADFF2F) — not an exact match. CSS greenyellow gives you #ADFF2F, a different color; use #CDEC40 when you need this exact shade.
Sources: common names follow widely used color-name references; CSS keywords and their hex values follow the CSS Color specification.
#CDEC40 is a warm-leaning green color associated with growth, calm and balance. It is saturated enough to be the accent — buttons, highlights and calls to action — while neutrals do the quiet work around it.
Its strongest partner is its complement #6041EC; it also sits naturally between #ECB641 and #77EC41. In the palettes below you can see it working alongside real color combinations from our collection.
Color values
| HEX | #CDEC40 |
|---|---|
| RGB | 205, 236, 64 |
| HSL | 71°, 82%, 59% |
| HSV | 71°, 73%, 93% |
| CMYK | 13%, 0%, 73%, 7% |
| XYZ | 56.10, 73.34, 16.05 |
| Yxy | 73.34, 0.3856, 0.5041 |
| CIE-Lab | 88.61, -31.49, 74.71 |
| Hunter Lab | 85.64, -28.82, 45.87 |
RGB & CMYK percentages
Red 80% · Green 93% · Blue 25%
Cyan 13% · Magenta 0% · Yellow 73% · Key 7%
CMYK values are unprofiled approximations for screen reference — not a print-proofing guarantee.
Previews
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CSS code for #CDEC40
.text { color: #CDEC40; }
.background { background-color: #CDEC40; }
.border { border: 3px solid #CDEC40; }
.text-rgb { color: rgb(205, 236, 64); }
.text-hsl { color: hsl(71, 82%, 59%); }
.text-shadow-hex { text-shadow: 4px 4px 2px #CDEC40; }
.text-shadow-rgba { text-shadow: 4px 4px 2px rgba(205, 236, 64, 0.8); }
.box-shadow-hex { box-shadow: 1px 1px 3px 2px #CDEC40; }
.box-shadow-rgba { box-shadow: 1px 1px 3px 2px rgba(205, 236, 64, 0.8); }
HTML: <p style="color:#CDEC40">Text here</p> · <div style="background-color:#CDEC40">Div content here</div>
Shades of #CDEC40
Tints of #CDEC40
Tones of #CDEC40
Color harmonies
Complementary — #6041EC:
Analogous:
Triadic:
Contrast & accessibility
| Against white text | 1.34:1 Fails |
|---|---|
| Against black text | 15.67:1 AAA |
Best text color on #CDEC40: #000000.
Semi-transparent (opacity) text on #CDEC40
Text set with opacity blends into the background, so its real contrast is lower than the solid ratios above. Choose a text color and an opacity to see the blended color and its true ratio:
Smaller body text shows the effect best.
Blended color: · Contrast against #CDEC40: ·
How #CDEC40 looks with color blindness
Simulated with standard Machado color-vision-deficiency matrices — useful when this color carries meaning in charts, maps or interfaces:
Closest design-system colors
The nearest matches in the Tailwind CSS, Material Design and Bootstrap palettes — handy when you need a framework class instead of a raw hex:
Palettes with a similar color
These palettes use a close neighbour of #CDEC40 rather than the exact color:
Similar colors
The closest colors that actually appear in our palette collection — click any to open its page:
Browse neighbouring colors
Frequently asked questions
What color is #CDEC40?
#CDEC40 is Vivid Green, a green color (RGB 205, 236, 64). Its closest standard named color is GreenYellow.
What is the RGB and HSL of #CDEC40?
#CDEC40 is RGB 205, 236, 64 — HSL 71°, 82%, 59% — CMYK 13%, 0%, 73%, 7%.
What colors go with #CDEC40?
Its complement is #6041EC; analogous partners are #ECB641 and #77EC41. It also appears in 6+ palettes in our collection.
Can I use #CDEC40 for text?
Black text on #CDEC40 has a contrast ratio of 15.67:1 (passes WCAG AA); white text gives 1.34:1.