#E4EF64#E4EF64

#E4EF64 is a very light, vivid yellow. Relative luminance 0.791; OKLCH L 91.8% C 0.161 H 113.4°. Best body text is #000000 at 16.83:1 contrast (WCAG AA passes).

Color values

HEX	#E4EF64
RGB	rgb(228, 239, 100)
HSL	hsl(65, 81%, 66%)
HSV	hsv(65, 58%, 94%)
CMYK	cmyk(4.6%, 0%, 58.2%, 6.3%)
CIE-LAB	lab(91.30, -21.62, 64.36)
CIE-LCH	lch(91.30, 67.89, 108.57°)
OKLab	oklab(91.75% -0.064 0.1482)
OKLCH	oklch(91.75% 0.161 113.4)
XYZ	xyz(65.1632, 79.1483, 23.8986)
Luminance	0.7915 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#E4EF64 #6F64EF

analogous

#EFB564 #E4EF64 #9FEF64

triadic

#E4EF64 #64E4EF #EF64E4

tetradic

#E4EF64 #64EFB5 #6F64EF #EF649F

square

#E4EF64 #64EFB5 #6F64EF #EF649F

split-complementary

#E4EF64 #649FEF #B564EF

monochromatic

#B6C414 #DAE92D #E4EF64 #EEF59B #F7FAD3

Accessibility & contrast

On white

1.25

#E4EF64 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

16.83

#E4EF64 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #E4EF64

16.83:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##E4EF64	#FFFFFF	#000000	##000000
##E4EF64	1.00	1.25	16.83	16.83
#FFFFFF	1.25	1.00	21.00	21.00
#000000	16.83	21.00	1.00	1.00
##000000	16.83	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#FFE554

Deuteranopia (green-blind)

#FFE86C

Tritanopia (blue-blind)

#F2E2D1

Achromatopsia (no color)

#E6E6E6

Design tokens & code

CSS

--color: #e4ef64;
/* rgb */ color: rgb(228, 239, 100);
/* oklch */ color: oklch(91.8% 0.161 113.4);

Tailwind

colors: {
  custom: {
    50: '#eff495',
    500: '#e4ef64',
    950: '#000000',
  },
}

SCSS

$custom: #e4ef64;
$custom-light: #eff495;
$custom-dark: #000000;

JSON

{
  "hex": "#e4ef64",
  "rgb": {
    "r": 228,
    "g": 239,
    "b": 100
  },
  "hsl": {
    "h": 64.748,
    "s": 81.287,
    "l": 66.471
  },
  "oklch": {
    "l": 0.91754,
    "c": 0.16146,
    "h": 113.4
  },
  "luminance": 0.79147
}

Semantic roles & 50–950 ramp

primary

#E4EF64

secondary

#4035C2

accent

#08DE19

background

#FFFFFC

surface

#FEFEF5

border

#D6D6CF

text

#17170E

muted

#85857F

Preview Lab

Preview with #E4EF64

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

Preview Lab → · Contrast checker → · Palette generator →