#E4EF66#E4EF66

#E4EF66 is a very light, vivid yellow. Relative luminance 0.792; OKLCH L 91.8% C 0.160 H 113.4°. Best body text is #000000 at 16.84:1 contrast (WCAG AA passes).

Color values

HEX	#E4EF66
RGB	rgb(228, 239, 102)
HSL	hsl(65, 81%, 67%)
HSV	hsv(65, 57%, 94%)
CMYK	cmyk(4.6%, 0%, 57.3%, 6.3%)
CIE-LAB	lab(91.32, -21.48, 63.53)
CIE-LCH	lch(91.32, 67.06, 108.68°)
OKLab	oklab(91.77% -0.0634 0.1467)
OKLCH	oklch(91.77% 0.16 113.4)
XYZ	xyz(65.2612, 79.1875, 24.4146)
Luminance	0.7919 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#E4EF66 #7166EF

analogous

#EFB666 #E4EF66 #9FEF66

triadic

#E4EF66 #66E4EF #EF66E4

tetradic

#E4EF66 #66EFB6 #7166EF #EF669F

square

#E4EF66 #66EFB6 #7166EF #EF669F

split-complementary

#E4EF66 #669FEF #B666EF

monochromatic

#B8C615 #DAE92F #E4EF66 #EEF59D #F8FBD5

Accessibility & contrast

On white

1.25

#E4EF66 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

16.84

#E4EF66 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #E4EF66

16.84:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##E4EF66	#FFFFFF	#000000	##000000
##E4EF66	1.00	1.25	16.84	16.84
#FFFFFF	1.25	1.00	21.00	21.00
#000000	16.84	21.00	1.00	1.00
##000000	16.84	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#FFE557

Deuteranopia (green-blind)

#FFE86E

Tritanopia (blue-blind)

#F2E2D1

Achromatopsia (no color)

#E6E6E6

Design tokens & code

CSS

--color: #e4ef66;
/* rgb */ color: rgb(228, 239, 102);
/* oklch */ color: oklch(91.8% 0.160 113.4);

Tailwind

colors: {
  custom: {
    50: '#eff496',
    500: '#e4ef66',
    950: '#000000',
  },
}

SCSS

$custom: #e4ef66;
$custom-light: #eff496;
$custom-dark: #000000;

JSON

{
  "hex": "#e4ef66",
  "rgb": {
    "r": 228,
    "g": 239,
    "b": 102
  },
  "hsl": {
    "h": 64.818,
    "s": 81.065,
    "l": 66.863
  },
  "oklch": {
    "l": 0.91774,
    "c": 0.1598,
    "h": 113.4
  },
  "luminance": 0.79186
}

Semantic roles & 50–950 ramp

primary

#E4EF66

secondary

#4136C3

accent

#08DD19

background

#FFFFFC

surface

#FEFEF5

border

#D6D6CF

text

#17170E

muted

#85857F

Preview Lab

Preview with #E4EF66

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

Preview Lab → · Contrast checker → · Palette generator →