#EFF763#EFF763

#EFF763 is a very light, vivid yellow. Relative luminance 0.858; OKLCH L 94.3% C 0.168 H 112.1°. Best body text is #000000 at 18.15:1 contrast (WCAG AA passes).

Color values

HEX	#EFF763
RGB	rgb(239, 247, 99)
HSL	hsl(63, 90%, 68%)
HSV	hsv(63, 60%, 97%)
CMYK	cmyk(3.2%, 0%, 59.9%, 3.1%)
CIE-LAB	lab(94.22, -21.16, 68.20)
CIE-LCH	lch(94.22, 71.40, 107.24°)
OKLab	oklab(94.28% -0.0634 0.156)
OKLCH	oklch(94.28% 0.168 112.1)
XYZ	xyz(71.1114, 85.7746, 24.6121)
Luminance	0.8577 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#EFF763 #6B63F7

analogous

#F7B563 #EFF763 #A5F763

triadic

#EFF763 #63EFF7 #F763EF

tetradic

#EFF763 #63F7B5 #6B63F7 #F763A5

square

#EFF763 #63F7B5 #6B63F7 #F763A5

split-complementary

#EFF763 #63A5F7 #B563F7

monochromatic

#CAD50B #E9F429 #EFF763 #F5FA9D #FBFDD7

Accessibility & contrast

On white

1.16

#EFF763 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

18.15

#EFF763 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #EFF763

18.15:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##EFF763	#FFFFFF	#000000	##000000
##EFF763	1.00	1.16	18.15	18.15
#FFFFFF	1.16	1.00	21.00	21.00
#000000	18.15	21.00	1.00	1.00
##000000	18.15	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#FFEC51

Deuteranopia (green-blind)

#FFF06C

Tritanopia (blue-blind)

#FEE9D8

Achromatopsia (no color)

#EEEEEE

Design tokens & code

CSS

--color: #eff763;
/* rgb */ color: rgb(239, 247, 99);
/* oklch */ color: oklch(94.3% 0.168 112.1);

Tailwind

colors: {
  custom: {
    50: '#f7f995',
    500: '#eff763',
    950: '#000000',
  },
}

SCSS

$custom: #eff763;
$custom-light: #f7f995;
$custom-dark: #000000;

JSON

{
  "hex": "#eff763",
  "rgb": {
    "r": 239,
    "g": 247,
    "b": 99
  },
  "hsl": {
    "h": 63.243,
    "s": 90.244,
    "l": 67.843
  },
  "oklch": {
    "l": 0.94283,
    "c": 0.16842,
    "h": 112.1
  },
  "luminance": 0.85773
}

Semantic roles & 50–950 ramp

primary

#EFF763

secondary

#372FCF

accent

#00E60C

background

#FFFFFC

surface

#FFFFF5

border

#D7D7CF

text

#18170E

muted

#86857F

Preview Lab

Preview with #EFF763

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

Preview Lab → · Contrast checker → · Palette generator →