#EFF463#EFF463

#EFF463 is a very light, vivid yellow. Relative luminance 0.840; OKLCH L 93.7% C 0.165 H 111.1°. Best body text is #000000 at 17.79:1 contrast (WCAG AA passes).

Color values

HEX	#EFF463
RGB	rgb(239, 244, 99)
HSL	hsl(62, 87%, 67%)
HSV	hsv(62, 59%, 96%)
CMYK	cmyk(2%, 0%, 59.4%, 4.3%)
CIE-LAB	lab(93.43, -19.72, 67.34)
CIE-LCH	lch(93.43, 70.17, 106.32°)
OKLab	oklab(93.66% -0.0594 0.1542)
OKLCH	oklch(93.66% 0.165 111.1)
XYZ	xyz(70.2013, 83.9546, 24.3088)
Luminance	0.8395 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#EFF463 #6863F4

analogous

#F4B163 #EFF463 #A7F463

triadic

#EFF463 #63EFF4 #F463EF

tetradic

#EFF463 #63F4B1 #6863F4 #F463A7

square

#EFF463 #63F4B1 #6863F4 #F463A7

split-complementary

#EFF463 #63A7F4 #B163F4

monochromatic

#C7CE0F #E9F02A #EFF463 #F5F89C #FBFCD5

Accessibility & contrast

On white

1.18

#EFF463 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

17.79

#EFF463 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #EFF463

17.79:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##EFF463	#FFFFFF	#000000	##000000
##EFF463	1.00	1.18	17.79	17.79
#FFFFFF	1.18	1.00	21.00	21.00
#000000	17.79	21.00	1.00	1.00
##000000	17.79	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#FFEA52

Deuteranopia (green-blind)

#FFEE6C

Tritanopia (blue-blind)

#FEE6D5

Achromatopsia (no color)

#ECECEC

Design tokens & code

CSS

--color: #eff463;
/* rgb */ color: rgb(239, 244, 99);
/* oklch */ color: oklch(93.7% 0.165 111.1);

Tailwind

colors: {
  custom: {
    50: '#f7f795',
    500: '#eff463',
    950: '#000000',
  },
}

SCSS

$custom: #eff463;
$custom-light: #f7f795;
$custom-dark: #000000;

JSON

{
  "hex": "#eff463",
  "rgb": {
    "r": 239,
    "g": 244,
    "b": 99
  },
  "hsl": {
    "h": 62.069,
    "s": 86.826,
    "l": 67.255
  },
  "oklch": {
    "l": 0.93656,
    "c": 0.16525,
    "h": 111.1
  },
  "luminance": 0.83953
}

Semantic roles & 50–950 ramp

primary

#EFF463

secondary

#3731CA

accent

#02E30A

background

#FFFFFC

surface

#FFFEF5

border

#D7D6CF

text

#18170E

muted

#86857F

Preview Lab

Preview with #EFF463

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

Preview Lab → · Contrast checker → · Palette generator →