#E1EE51#E1EE51

#E1EE51 is a very light, vivid yellow. Relative luminance 0.778; OKLCH L 91.1% C 0.175 H 113.9°. Best body text is #000000 at 16.55:1 contrast (WCAG AA passes).

Color values

HEX	#E1EE51
RGB	rgb(225, 238, 81)
HSL	hsl(65, 82%, 63%)
HSV	hsv(65, 66%, 93%)
CMYK	cmyk(5.5%, 0%, 66%, 6.7%)
CIE-LAB	lab(90.67, -23.56, 71.24)
CIE-LCH	lch(90.67, 75.03, 108.30°)
OKLab	oklab(91.14% -0.0711 0.1603)
OKLCH	oklch(91.14% 0.175 113.9)
XYZ	xyz(63.1128, 77.7519, 19.4659)
Luminance	0.7775 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#E1EE51 #5E51EE

analogous

#EEAC51 #E1EE51 #93EE51

triadic

#E1EE51 #51E1EE #EE51E1

tetradic

#E1EE51 #51EEAC #5E51EE #EE5193

square

#E1EE51 #51EEAC #5E51EE #EE5193

split-complementary

#E1EE51 #5193EE #AC51EE

monochromatic

#A6B311 #D7E919 #E1EE51 #EBF389 #F4F9C1

Accessibility & contrast

On white

1.27

#E1EE51 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

16.55

#E1EE51 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #E1EE51

16.55:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##E1EE51	#FFFFFF	#000000	##000000
##E1EE51	1.00	1.27	16.55	16.55
#FFFFFF	1.27	1.00	21.00	21.00
#000000	16.55	21.00	1.00	1.00
##000000	16.55	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#FFE33A

Deuteranopia (green-blind)

#FEE65C

Tritanopia (blue-blind)

#EFE0CE

Achromatopsia (no color)

#E4E4E4

Design tokens & code

CSS

--color: #e1ee51;
/* rgb */ color: rgb(225, 238, 81);
/* oklch */ color: oklch(91.1% 0.175 113.9);

Tailwind

colors: {
  custom: {
    50: '#eef38a',
    500: '#e1ee51',
    950: '#000000',
  },
}

SCSS

$custom: #e1ee51;
$custom-light: #eef38a;
$custom-dark: #000000;

JSON

{
  "hex": "#e1ee51",
  "rgb": {
    "r": 225,
    "g": 238,
    "b": 81
  },
  "hsl": {
    "h": 64.968,
    "s": 82.199,
    "l": 62.549
  },
  "oklch": {
    "l": 0.91144,
    "c": 0.17533,
    "h": 113.9
  },
  "luminance": 0.77751
}

Semantic roles & 50–950 ramp

primary

#E1EE51

secondary

#3B30B3

accent

#07DF19

background

#FFFFFC

surface

#FEFEF4

border

#D6D6CE

text

#17170C

muted

#85857F

Preview Lab

Preview with #E1EE51

Body copy rendered with the generated semantic roles for this colour.

Preview Lab → · Contrast checker → · Palette generator →