#E9EF66#E9EF66

#E9EF66 is a very light, vivid yellow. Relative luminance 0.800; OKLCH L 92.2% C 0.159 H 111.5°. Best body text is #000000 at 17.00:1 contrast (WCAG AA passes).

Color values

HEX	#E9EF66
RGB	rgb(233, 239, 102)
HSL	hsl(63, 81%, 67%)
HSV	hsv(63, 57%, 94%)
CMYK	cmyk(2.5%, 0%, 57.3%, 6.3%)
CIE-LAB	lab(91.69, -19.49, 64.05)
CIE-LCH	lch(91.69, 66.95, 106.93°)
OKLab	oklab(92.17% -0.0581 0.1477)
OKLCH	oklch(92.17% 0.159 111.5)
XYZ	xyz(66.8708, 80.0174, 24.4901)
Luminance	0.8002 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#E9EF66 #6C66EF

analogous

#EFB166 #E9EF66 #A5EF66

triadic

#E9EF66 #66E9EF #EF66E9

tetradic

#E9EF66 #66EFB1 #6C66EF #EF66A5

square

#E9EF66 #66EFB1 #6C66EF #EF66A5

split-complementary

#E9EF66 #66A5EF #B166EF

monochromatic

#BEC615 #E1E92F #E9EF66 #F1F59D #F9FBD5

Accessibility & contrast

On white

1.24

#E9EF66 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

17.00

#E9EF66 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #E9EF66

17.00:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##E9EF66	#FFFFFF	#000000	##000000
##E9EF66	1.00	1.24	17.00	17.00
#FFFFFF	1.24	1.00	21.00	21.00
#000000	17.00	21.00	1.00	1.00
##000000	17.00	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#FFE557

Deuteranopia (green-blind)

#FFE96E

Tritanopia (blue-blind)

#F7E2D1

Achromatopsia (no color)

#E7E7E7

Design tokens & code

CSS

--color: #e9ef66;
/* rgb */ color: rgb(233, 239, 102);
/* oklch */ color: oklch(92.2% 0.159 111.5);

Tailwind

colors: {
  custom: {
    50: '#f3f496',
    500: '#e9ef66',
    950: '#000000',
  },
}

SCSS

$custom: #e9ef66;
$custom-light: #f3f496;
$custom-dark: #000000;

JSON

{
  "hex": "#e9ef66",
  "rgb": {
    "r": 233,
    "g": 239,
    "b": 102
  },
  "hsl": {
    "h": 62.628,
    "s": 81.065,
    "l": 66.863
  },
  "oklch": {
    "l": 0.92165,
    "c": 0.15871,
    "h": 111.5
  },
  "luminance": 0.80016
}

Semantic roles & 50–950 ramp

primary

#E9EF66

secondary

#3C36C3

accent

#08DD11

background

#FFFFFC

surface

#FFFEF5

border

#D7D6CF

text

#17170E

muted

#85857F

Preview Lab

Preview with #E9EF66

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

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