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#63DE4A Color

#63DE4A is rgb(99, 222, 74) in RGB, hsl(110, 69%, 58%) in HSL, and about cmyk(55%, 0%, 67%, 13%) in CMYK. It has no registered color name of its own — the closest is SGBUS Green (#55DD33), clearly related but distinguishable side by side at ΔE 8.05. Black text is the more readable choice on this background.

#63DE4A
HEX#63DE4A
RGBrgb(99, 222, 74)
HSLhsl(110, 69%, 58%)
HSVhsv(110, 67%, 87%)
CMYKcmyk(55%, 0%, 67%, 13%)
OKLCHoklch(80.1% 0.216 140.5)
LABlab(79.36% -55.90 58.79)
LCHlch(79.36% 81.12 133.56)

What #63DE4A Is Called

Most hex codes have no name: there are 16.7 million of them and a few thousand registered names. These are the named colors nearest to #63DE4A, ordered by CIE76 distance in CIELAB. Anything under about ΔE 2 is a difference most people cannot see.

SGBUS Green#55DD33ΔE 8.05Lime Green#32CD32ΔE 9.05Vivid Malachite#00CC33ΔE 12.16Malachite#0BDA51ΔE 12.79Kelly Green#4CBB17ΔE 12.96Screamin' Green#66FF66ΔE 13.01

Browse the full index of named colors A-Z or every green in the library.

#63DE4A Channel Values

How #63DE4A breaks down in each color model. Hue is measured in degrees around the color wheel; saturation, lightness, and the CMYK inks are percentages.

ModelChannelsNotes
RGBR 99 · G 222 · B 748-bit channels as sent to the display
HSLH 110° · S 69% · L 58%Easiest model for building lighter and darker variants
HSVH 110° · S 67% · V 87%Matches the picker in most design tools
CMYKC 55% · M 0% · Y 67% · K 13%Approximate ink mix; confirm with an ICC profile before printing
Luminance1.74:1 vs white · 12.08:1 vs blackWCAG 2.2 relative-luminance contrast ratios

Text Contrast & Accessibility

WCAG 2.2 contrast ratios for text on a #63DE4A background. AA requires 4.5:1 for normal text and 3:1 for large text; AAA requires 7:1. Contrast is one check, not a full accessibility review.

Fails AAWhite text1.74:1AA normal AA large AAA normal
TextBlack text12.08:1AA normal AA large AAA normal

Need a specific ratio against another background? Open #63DE4A in the contrast checker.

Colors That Go With #63DE4A

Pairings derived from color-wheel relationships. The complementary color sits opposite #63DE4A; analogous colors sit beside it; triadic and split-complementary sets spread evenly around the wheel. Select any swatch for its own breakdown.

Base
#63DE4A
Complementary
#C54ADE
Analogous
#ADDE4A
Analogous
#4ADE7B
Triadic
#4A63DE
Triadic
#DE4A63
Split comp.
#7B4ADE
Split comp.
#DE4AAD

Tints & Shades of #63DE4A

Lighter tints and darker shades built by moving the lightness channel while holding hue and saturation, which is what you want for hover states, backgrounds, and text variants.

Tints

#79E364
#8CE679
#A2EB93
#B8F0AD
#CFF5C7
#E1F9DD

Shades

#45D728
#3BB922
#30971C
#257415
#1A520F
#113409

Want a full 50-950 ramp with semantic roles? Generate design tokens from #63DE4A.

How #63DE4A Looks with Color Vision Deficiency

Simulated with the Viénot, Brettel & Mollon LMS projection model. Anomalous types are rendered as partial versions of the matching dichromacy, which is an approximation rather than a per-person clinical model.

Typical#63DE4A
Protanopia#CFCF4B
Protanomaly#AFD54B
Deuteranopia#C0C052
Deuteranomaly#A3CD4F
Tritanopia#7ED2D2
Tritanomaly#74D7AD
Achromatopsia#C4C4C4

Test a full palette in the color blindness simulator.

Using #63DE4A in Code

Copy-ready declarations for the places this color usually ends up.

CSS custom property--color-63de4a: #63DE4A;
CSS backgroundbackground-color: #63DE4A;
Tailwind configcolors: { 'color-63de4a': '#63DE4A' }
SwiftUIColor(red: 0.388, green: 0.871, blue: 0.290)
Android XML<color name="color_63de4a">#63DE4A</color>
SVG fillfill="#63DE4A"

More Green Colors

#63DE4A sits in the green family. These are its neighbours across that family's full range, each with its own breakdown.

000200fdfff5001f00f7fee7002400f7fbf5002c22f5fffa002e00f5fff5003300f0fff000800000db870d542b20483f33cc6646c3995ea50072863991e0b7a3f5d8bcd7bcd1ffed

#63DE4A Frequently Asked Questions

What color is #63DE4A?

#63DE4A is a mid-tone green — rgb(99, 222, 74) in RGB and hsl(110, 69%, 58%) in HSL. It carries no registered color name of its own; the closest named color is SGBUS Green (#55DD33), which is clearly related but distinguishable side by side at a CIE76 distance of 8.05.

What is the RGB value of #63DE4A?

#63DE4A is rgb(99, 222, 74) — red 99, green 222, and blue 74 on the 0-255 scale.

What is the CMYK value of #63DE4A?

#63DE4A converts to approximately cmyk(55%, 0%, 67%, 13%). CMYK output is a mathematical approximation for planning; confirm production print colors with your printer and ICC profile.

Should text on #63DE4A be black or white?

Black text is the more readable choice. #63DE4A scores 1.74:1 against white and 12.08:1 against black, and WCAG 2.2 asks for at least 4.5:1 for normal body text.

Can I write #63DE4A as a CSS color keyword?

No. #63DE4A is not one of the CSS color keywords, so it has to be written as a hex, rgb() or hsl() value. The closest keyword is limegreen (#32CD32) at a CIE76 distance of 9.05, which is clearly related but distinguishable side by side.

Open #63DE4A in a Tool

Hex to RGBHex to HSLHex to CMYKHex to OKLCHHex to PantoneBuild a paletteMake a gradient

Keep exploring: every green in the color library, the guide to shades of green, or the full color library.