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#e1f921

a balanced, electric yellow · cool · closest name: yellow

RGB
225, 249, 33
HSL
67°, 95%, 55%
CMYK
10, 0, 87, 2
Luminance
0.8387

Every format

HEX#e1f921
RGBrgb(225, 249, 33)
HSLhsl(67, 95%, 55%)
CMYKcmyk(10%, 0%, 87%, 2%)
LABlab(93.4 -30.6 87.2)
LCHlch(93.4 92.4 109.3)
OKLCHoklch(0.933 0.209 116.7)

Copy-ready code

/* CSS */
color: #e1f921;
background-color: #e1f921;
/* Tailwind (arbitrary) */
class="text-[#e1f921] bg-[#e1f921]"
/* SCSS */
$brand: #e1f921;
/* SwiftUI */
Color(red: 0.882, green: 0.976, blue: 0.129)
/* Android */
Color.parseColor("#e1f921")

Accessibility — WCAG contrast

Aa
#e1f921 on white: 1.18:1
AA ✗ fail · AA-large · AAA
Aa
#e1f921 on black: 17.77:1
AA ✓ pass · AA-large · AAA
true color
protanopia
deuteranopia
tritanopia

RGB percentages

Red88.2%
Green97.6%
Blue12.9%

CMYK percentages

Cyan9.6%
Magenta0.0%
Yellow86.7%
Key (black)2.4%

Color previews

#e1f921 text on a black background

contrast 17.77:1

Card sample

#e1f921 text on a white background

contrast 1.18:1

Card sample

CSS3 live lab

Text font color

The quick brown fox

color: #e1f921;
Background color
Panel with #e1f921 background
background-color: #e1f921;
Text shadow — hex

Glowing headline

text-shadow: 2px 2px 8px #e1f921;
Text shadow — RGB

Soft neon halo

text-shadow: 0 0 14px rgba(225, 249, 33, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(225, 249, 33, 0.45);
Border & gradient
Gradient panel
border: 3px solid #e1f921;
background: linear-gradient(135deg, #e1f921, #51F921);

Monochromatic scale

Palettes built from #e1f921

Shades — darker

Tints — lighter

Hue & tone neighbors

Color harmonies

Nearest named colors

Work with #e1f921 in the Color Lab