#E3EF64#E3EF64

#E3EF64 is a very light, vivid yellow. Relative luminance 0.790; OKLCH L 91.7% C 0.162 H 113.7°. Best body text is #000000 at 16.80:1 contrast (WCAG AA passes).

Color values

HEX	#E3EF64
RGB	rgb(227, 239, 100)
HSL	hsl(65, 81%, 66%)
HSV	hsv(65, 58%, 94%)
CMYK	cmyk(5%, 0%, 58.2%, 6.3%)
CIE-LAB	lab(91.23, -22.02, 64.26)
CIE-LCH	lch(91.23, 67.93, 108.91°)
OKLab	oklab(91.68% -0.0651 0.148)
OKLCH	oklch(91.68% 0.162 113.7)
XYZ	xyz(64.8468, 78.9852, 23.8837)
Luminance	0.7898 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#E3EF64 #7064EF

analogous

#EFB664 #E3EF64 #9EEF64

triadic

#E3EF64 #64E3EF #EF64E3

tetradic

#E3EF64 #64EFB6 #7064EF #EF649E

square

#E3EF64 #64EFB6 #7064EF #EF649E

split-complementary

#E3EF64 #649EEF #B664EF

monochromatic

#B5C414 #D9E92D #E3EF64 #EDF59B #F7FAD3

Accessibility & contrast

On white

1.25

#E3EF64 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

16.80

#E3EF64 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #E3EF64

16.80:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##E3EF64	#FFFFFF	#000000	##000000
##E3EF64	1.00	1.25	16.80	16.80
#FFFFFF	1.25	1.00	21.00	21.00
#000000	16.80	21.00	1.00	1.00
##000000	16.80	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#FFE454

Deuteranopia (green-blind)

#FFE76D

Tritanopia (blue-blind)

#F0E2D1

Achromatopsia (no color)

#E6E6E6

Design tokens & code

CSS

--color: #e3ef64;
/* rgb */ color: rgb(227, 239, 100);
/* oklch */ color: oklch(91.7% 0.162 113.7);

Tailwind

colors: {
  custom: {
    50: '#eef495',
    500: '#e3ef64',
    950: '#000000',
  },
}

SCSS

$custom: #e3ef64;
$custom-light: #eef495;
$custom-dark: #000000;

JSON

{
  "hex": "#e3ef64",
  "rgb": {
    "r": 227,
    "g": 239,
    "b": 100
  },
  "hsl": {
    "h": 65.18,
    "s": 81.287,
    "l": 66.471
  },
  "oklch": {
    "l": 0.91677,
    "c": 0.1617,
    "h": 113.7
  },
  "luminance": 0.78984
}

Semantic roles & 50–950 ramp

primary

#E3EF64

secondary

#4135C2

accent

#08DE1A

background

#FFFFFC

surface

#FEFEF5

border

#D6D6CF

text

#17170E

muted

#85857F

Preview Lab

Preview with #E3EF64

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

Preview Lab → · Contrast checker → · Palette generator →