#E1EF66#E1EF66

#E1EF66 is a very light, vivid yellow. Relative luminance 0.787; OKLCH L 91.5% C 0.161 H 114.5°. Best body text is #000000 at 16.74:1 contrast (WCAG AA passes).

Color values

HEX	#E1EF66
RGB	rgb(225, 239, 102)
HSL	hsl(66, 81%, 67%)
HSV	hsv(66, 57%, 94%)
CMYK	cmyk(5.9%, 0%, 57.3%, 6.3%)
CIE-LAB	lab(91.10, -22.66, 63.22)
CIE-LCH	lch(91.10, 67.16, 109.72°)
OKLab	oklab(91.54% -0.0666 0.1461)
OKLCH	oklch(91.54% 0.161 114.5)
XYZ	xyz(64.3175, 78.7009, 24.3704)
Luminance	0.7870 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#E1EF66 #7466EF

analogous

#EFB866 #E1EF66 #9DEF66

triadic

#E1EF66 #66E1EF #EF66E1

tetradic

#E1EF66 #66EFB8 #7466EF #EF669D

square

#E1EF66 #66EFB8 #7466EF #EF669D

split-complementary

#E1EF66 #669DEF #B866EF

monochromatic

#B4C615 #D6E92F #E1EF66 #ECF59D #F7FBD5

Accessibility & contrast

On white

1.25

#E1EF66 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

16.74

#E1EF66 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #E1EF66

16.74:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##E1EF66	#FFFFFF	#000000	##000000
##E1EF66	1.00	1.25	16.74	16.74
#FFFFFF	1.25	1.00	21.00	21.00
#000000	16.74	21.00	1.00	1.00
##000000	16.74	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#FFE457

Deuteranopia (green-blind)

#FEE76E

Tritanopia (blue-blind)

#EEE2D1

Achromatopsia (no color)

#E5E5E5

Design tokens & code

CSS

--color: #e1ef66;
/* rgb */ color: rgb(225, 239, 102);
/* oklch */ color: oklch(91.5% 0.161 114.5);

Tailwind

colors: {
  custom: {
    50: '#edf496',
    500: '#e1ef66',
    950: '#000000',
  },
}

SCSS

$custom: #e1ef66;
$custom-light: #edf496;
$custom-dark: #000000;

JSON

{
  "hex": "#e1ef66",
  "rgb": {
    "r": 225,
    "g": 239,
    "b": 102
  },
  "hsl": {
    "h": 66.131,
    "s": 81.065,
    "l": 66.863
  },
  "oklch": {
    "l": 0.91543,
    "c": 0.16055,
    "h": 114.5
  },
  "luminance": 0.787
}

Semantic roles & 50–950 ramp

primary

#E1EF66

secondary

#4436C3

accent

#08DD1E

background

#FFFFFC

surface

#FEFEF5

border

#D6D6CF

text

#17170E

muted

#85857F

Preview Lab

Preview with #E1EF66

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

Preview Lab → · Contrast checker → · Palette generator →