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#21CA54 Color

#21CA54 is rgb(33, 202, 84) in RGB, hsl(138, 72%, 46%) in HSL, and about cmyk(84%, 0%, 58%, 21%) in CMYK. It has no registered color name of its own — the closest is Dark Pastel Green (#03C03C), clearly related but distinguishable side by side at ΔE 7.09. Black text is the more readable choice on this background.

#21CA54
HEX#21CA54
RGBrgb(33, 202, 84)
HSLhsl(138, 72%, 46%)
HSVhsv(138, 84%, 79%)
CMYKcmyk(84%, 0%, 58%, 21%)
OKLCHoklch(73.4% 0.206 147.5)
LABlab(71.70% -60.57 45.78)
LCHlch(71.70% 75.93 142.92)

What #21CA54 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 #21CA54, ordered by CIE76 distance in CIELAB. Anything under about ΔE 2 is a difference most people cannot see.

Dark Pastel Green#03C03CΔE 7.09Malachite#0BDA51ΔE 10.28Green (Pantone)#00AD43ΔE 11.38Vivid Malachite#00CC33ΔE 13.9Lime Green#32CD32ΔE 14.37Very Light Malachite Green#64E986ΔE 16.17

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

#21CA54 Channel Values

How #21CA54 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 33 · G 202 · B 848-bit channels as sent to the display
HSLH 138° · S 72% · L 46%Easiest model for building lighter and darker variants
HSVH 138° · S 84% · V 79%Matches the picker in most design tools
CMYKC 84% · M 0% · Y 58% · K 21%Approximate ink mix; confirm with an ICC profile before printing
Luminance2.18:1 vs white · 9.64:1 vs blackWCAG 2.2 relative-luminance contrast ratios

Text Contrast & Accessibility

WCAG 2.2 contrast ratios for text on a #21CA54 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 text2.18:1AA normal AA large AAA normal
TextBlack text9.64:1AA normal AA large AAA normal

Need a specific ratio against another background? Open #21CA54 in the contrast checker.

Colors That Go With #21CA54

Pairings derived from color-wheel relationships. The complementary color sits opposite #21CA54; analogous colors sit beside it; triadic and split-complementary sets spread evenly around the wheel. Select any swatch for its own breakdown.

Base
#21CA54
Complementary
#CA2197
Analogous
#43CA21
Analogous
#21CAA8
Triadic
#5421CA
Triadic
#CA5421
Split comp.
#A821CA
Split comp.
#CA2143

Tints & Shades of #21CA54

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

#31DD65
#54E37F
#73E896
#96EEB0
#B4F3C7
#D8F9E1

Shades

#1DAF49
#18953E
#147B33
#106028
#0B461D
#072C12

Want a full 50-950 ramp with semantic roles? Generate design tokens from #21CA54.

How #21CA54 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#21CA54
Protanopia#BABA55
Protanomaly#95C155
Deuteranopia#AAAA5B
Deuteranomaly#88B858
Tritanopia#4FC0C0
Tritanomaly#41C4A0
Achromatopsia#B0B0B0

Test a full palette in the color blindness simulator.

Using #21CA54 in Code

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

CSS custom property--color-21ca54: #21CA54;
CSS backgroundbackground-color: #21CA54;
Tailwind configcolors: { 'color-21ca54': '#21CA54' }
SwiftUIColor(red: 0.129, green: 0.792, blue: 0.329)
Android XML<color name="color_21ca54">#21CA54</color>
SVG fillfill="#21CA54"

More Green Colors

#21CA54 sits in the green family. These are its neighbours across that family's full range, each with its own breakdown.

000200fdfff5001f00f7fee7002400f7fbf5002c22f5fffa002e00f5fff5003300f0fff000800000db870d542b20483f33cc6646c3995ea50072863991e0b7a3f5d8bcd7bcd1ffed

#21CA54 Frequently Asked Questions

What color is #21CA54?

#21CA54 is a mid-tone green — rgb(33, 202, 84) in RGB and hsl(138, 72%, 46%) in HSL. It carries no registered color name of its own; the closest named color is Dark Pastel Green (#03C03C), which is clearly related but distinguishable side by side at a CIE76 distance of 7.09.

What is the RGB value of #21CA54?

#21CA54 is rgb(33, 202, 84) — red 33, green 202, and blue 84 on the 0-255 scale.

What is the CMYK value of #21CA54?

#21CA54 converts to approximately cmyk(84%, 0%, 58%, 21%). CMYK output is a mathematical approximation for planning; confirm production print colors with your printer and ICC profile.

Should text on #21CA54 be black or white?

Black text is the more readable choice. #21CA54 scores 2.18:1 against white and 9.64:1 against black, and WCAG 2.2 asks for at least 4.5:1 for normal body text.

Can I write #21CA54 as a CSS color keyword?

No. #21CA54 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 14.37, which is visibly different.

Open #21CA54 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.