#E4EF63#E4EF63

#E4EF63 is a very light, vivid yellow. Relative luminance 0.791; OKLCH L 91.7% C 0.162 H 113.3°. Best body text is #000000 at 16.83:1 contrast (WCAG AA passes).

Color values

HEX	#E4EF63
RGB	rgb(228, 239, 99)
HSL	hsl(65, 81%, 66%)
HSV	hsv(65, 59%, 94%)
CMYK	cmyk(4.6%, 0%, 58.6%, 6.3%)
CIE-LAB	lab(91.29, -21.69, 64.77)
CIE-LCH	lch(91.29, 68.31, 108.52°)
OKLab	oklab(91.74% -0.0643 0.149)
OKLCH	oklch(91.74% 0.162 113.3)
XYZ	xyz(65.1151, 79.1291, 23.6452)
Luminance	0.7913 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#E4EF63 #6E63EF

analogous

#EFB463 #E4EF63 #9EEF63

triadic

#E4EF63 #63E4EF #EF63E4

tetradic

#E4EF63 #63EFB4 #6E63EF #EF639E

square

#E4EF63 #63EFB4 #6E63EF #EF639E

split-complementary

#E4EF63 #639EEF #B463EF

monochromatic

#B6C414 #DAE92B #E4EF63 #EEF59B #F7FAD2

Accessibility & contrast

On white

1.25

#E4EF63 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

16.83

#E4EF63 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #E4EF63

16.83:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##E4EF63	#FFFFFF	#000000	##000000
##E4EF63	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)

#FFE553

Deuteranopia (green-blind)

#FFE86C

Tritanopia (blue-blind)

#F2E2D1

Achromatopsia (no color)

#E6E6E6

Design tokens & code

CSS

--color: #e4ef63;
/* rgb */ color: rgb(228, 239, 99);
/* oklch */ color: oklch(91.7% 0.162 113.3);

Tailwind

colors: {
  custom: {
    50: '#eff494',
    500: '#e4ef63',
    950: '#000000',
  },
}

SCSS

$custom: #e4ef63;
$custom-light: #eff494;
$custom-dark: #000000;

JSON

{
  "hex": "#e4ef63",
  "rgb": {
    "r": 228,
    "g": 239,
    "b": 99
  },
  "hsl": {
    "h": 64.714,
    "s": 81.395,
    "l": 66.275
  },
  "oklch": {
    "l": 0.91744,
    "c": 0.16226,
    "h": 113.3
  },
  "luminance": 0.79128
}

Semantic roles & 50–950 ramp

primary

#E4EF63

secondary

#4035C1

accent

#08DE19

background

#FFFFFC

surface

#FEFEF5

border

#D6D6CF

text

#17170E

muted

#85857F

Preview Lab

Preview with #E4EF63

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

Preview Lab → · Contrast checker → · Palette generator →