#E4F063#E4F063

#E4F063 is a very light, vivid yellow. Relative luminance 0.797; OKLCH L 92.0% C 0.163 H 113.7°. Best body text is #000000 at 16.94:1 contrast (WCAG AA passes).

Color values

HEX	#E4F063
RGB	rgb(228, 240, 99)
HSL	hsl(65, 82%, 66%)
HSV	hsv(65, 59%, 94%)
CMYK	cmyk(5%, 0%, 58.8%, 5.9%)
CIE-LAB	lab(91.56, -22.17, 65.06)
CIE-LCH	lch(91.56, 68.74, 108.82°)
OKLab	oklab(91.96% -0.0656 0.1496)
OKLCH	oklch(91.96% 0.163 113.7)
XYZ	xyz(65.4086, 79.7162, 23.7431)
Luminance	0.7972 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#E4F063 #6F63F0

analogous

#F0B563 #E4F063 #9EF063

triadic

#E4F063 #63E4F0 #F063E4

tetradic

#E4F063 #63F0B5 #6F63F0 #F0639E

square

#E4F063 #63F0B5 #6F63F0 #F0639E

split-complementary

#E4F063 #639EF0 #B563F0

monochromatic

#B6C613 #DAEB2B #E4F063 #EEF59B #F7FBD3

Accessibility & contrast

On white

1.24

#E4F063 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

16.94

#E4F063 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #E4F063

16.94:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##E4F063	#FFFFFF	#000000	##000000
##E4F063	1.00	1.24	16.94	16.94
#FFFFFF	1.24	1.00	21.00	21.00
#000000	16.94	21.00	1.00	1.00
##000000	16.94	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#FFE553

Deuteranopia (green-blind)

#FFE86C

Tritanopia (blue-blind)

#F2E3D2

Achromatopsia (no color)

#E7E7E7

Design tokens & code

CSS

--color: #e4f063;
/* rgb */ color: rgb(228, 240, 99);
/* oklch */ color: oklch(92.0% 0.163 113.7);

Tailwind

colors: {
  custom: {
    50: '#eff495',
    500: '#e4f063',
    950: '#000000',
  },
}

SCSS

$custom: #e4f063;
$custom-light: #eff495;
$custom-dark: #000000;

JSON

{
  "hex": "#e4f063",
  "rgb": {
    "r": 228,
    "g": 240,
    "b": 99
  },
  "hsl": {
    "h": 65.106,
    "s": 82.456,
    "l": 66.471
  },
  "oklch": {
    "l": 0.91956,
    "c": 0.16337,
    "h": 113.7
  },
  "luminance": 0.79715
}

Semantic roles & 50–950 ramp

primary

#E4F063

secondary

#4034C3

accent

#07DF19

background

#FFFFFC

surface

#FEFEF5

border

#D6D6CF

text

#17170E

muted

#85857F

Preview Lab

Preview with #E4F063

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

Preview Lab → · Contrast checker → · Palette generator →