#C4BC21 Color

#C4BC21 is rgb(196, 188, 33) in RGB, hsl(57, 71%, 45%) in HSL, and about cmyk(0%, 4%, 83%, 23%) in CMYK. It has no registered color name of its own — the closest is Acid Green (#B0BF1A), visibly different at ΔE 10.05. Black text is the more readable choice on this background.

#C4BC21

HEX#C4BC21

RGBrgb(196, 188, 33)

HSLhsl(57, 71%, 45%)

HSVhsv(57, 83%, 77%)

CMYKcmyk(0%, 4%, 83%, 23%)

OKLCHoklch(77.7% 0.159 106.3)

LABlab(75.09% -8.71 70.29)

LCHlch(75.09% 70.83 97.06)

What #C4BC21 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 #C4BC21, ordered by CIE76 distance in CIELAB. Anything under about ΔE 2 is a difference most people cannot see.

Acid Green#B0BF1AΔE 10.05 Antique Gold#CFB53BΔE 12.06 Citron#9FA91FΔE 13.33 Neon Gold#CFAA01ΔE 14.09 Citrine#E4D00AΔE 14.22 Minion Yellow#F5E050ΔE 14.7

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

#C4BC21 Channel Values

How #C4BC21 breaks down in each color model. Hue is measured in degrees around the color wheel; saturation, lightness, and the CMYK inks are percentages.

Model	Channels	Notes
RGB	R 196 · G 188 · B 33	8-bit channels as sent to the display
HSL	H 57° · S 71% · L 45%	Easiest model for building lighter and darker variants
HSV	H 57° · S 83% · V 77%	Matches the picker in most design tools
CMYK	C 0% · M 4% · Y 83% · K 23%	Approximate ink mix; confirm with an ICC profile before printing
Luminance	1.99:1 vs white · 10.56:1 vs black	WCAG 2.2 relative-luminance contrast ratios

Text Contrast & Accessibility

WCAG 2.2 contrast ratios for text on a #C4BC21 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 text1.99:1AA normal AA large AAA normal

TextBlack text10.56:1AA normal AA large AAA normal

Need a specific ratio against another background? Open #C4BC21 in the contrast checker.

Colors That Go With #C4BC21

Pairings derived from color-wheel relationships. The complementary color sits opposite #C4BC21; analogous colors sit beside it; triadic and split-complementary sets spread evenly around the wheel. Select any swatch for its own breakdown.

Base

Complementary

Analogous

Analogous

Triadic

Triadic

Split comp.

Split comp.

Tints & Shades of #C4BC21

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

Shades

Want a full 50-950 ramp with semantic roles? Generate design tokens from #C4BC21.

How #C4BC21 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#C4BC21

Protanopia#BDBD21

Protanomaly#C0BD21

Deuteranopia#BFBF1F

Deuteranomaly#C1BE20

Tritanopia#CEB1B1

Tritanomaly#CAB68E

Achromatopsia#B8B8B8

Test a full palette in the color blindness simulator.

Using #C4BC21 in Code

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

CSS custom property--color-c4bc21: #C4BC21;

CSS backgroundbackground-color: #C4BC21;

Tailwind configcolors: { 'color-c4bc21': '#C4BC21' }

SwiftUIColor(red: 0.769, green: 0.737, blue: 0.129)

Android XML<color name="color_c4bc21">#C4BC21</color>

SVG fillfill="#C4BC21"

More Yellow Colors

#C4BC21 sits in the yellow family. These are its neighbours across that family's full range, each with its own breakdown.

181807 fffff5 1b1404 fffff0 1f1f00 ffffeb 242400 ffffe5 2a2913 ffffe0 2b2003 ffffd6 573a00 856514 b0a94f cc9900 e0e000 edeae0 f2f1e3 f8f3c9 fcfce8 ffcc00 fff000 ffff0f

#C4BC21 Frequently Asked Questions

What color is #C4BC21?

#C4BC21 is a mid-tone yellow — rgb(196, 188, 33) in RGB and hsl(57, 71%, 45%) in HSL. It carries no registered color name of its own; the closest named color is Acid Green (#B0BF1A), which is visibly different at a CIE76 distance of 10.05.

What is the RGB value of #C4BC21?

#C4BC21 is rgb(196, 188, 33) — red 196, green 188, and blue 33 on the 0-255 scale.

What is the CMYK value of #C4BC21?

#C4BC21 converts to approximately cmyk(0%, 4%, 83%, 23%). CMYK output is a mathematical approximation for planning; confirm production print colors with your printer and ICC profile.

Should text on #C4BC21 be black or white?

Black text is the more readable choice. #C4BC21 scores 1.99:1 against white and 10.56:1 against black, and WCAG 2.2 asks for at least 4.5:1 for normal body text.

Can I write #C4BC21 as a CSS color keyword?

No. #C4BC21 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 goldenrod (#DAA520) at a CIE76 distance of 21.31, which is visibly different.

Open #C4BC21 in a Tool

Hex to RGB Hex to HSL Hex to CMYK Hex to OKLCH Hex to Pantone Build a palette Make a gradient

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