#EFFD73#EFFD73

#EFFD73 is a very light, vivid yellow. Relative luminance 0.898; OKLCH L 95.7% C 0.162 H 114.3°. Best body text is #000000 at 18.97:1 contrast (WCAG AA passes).

Color values

HEX	#EFFD73
RGB	rgb(239, 253, 115)
HSL	hsl(66, 97%, 72%)
HSV	hsv(66, 55%, 99%)
CMYK	cmyk(5.5%, 0%, 54.5%, 0.8%)
CIE-LAB	lab(95.93, -22.86, 63.32)
CIE-LCH	lch(95.93, 67.32, 109.85°)
OKLab	oklab(95.7% -0.0666 0.1475)
OKLCH	oklch(95.7% 0.162 114.3)
XYZ	xyz(73.8178, 89.8403, 29.6686)
Luminance	0.8984 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#EFFD73 #8173FD

analogous

#FDC673 #EFFD73 #AAFD73

triadic

#EFFD73 #73EFFD #FD73EF

tetradic

#EFFD73 #73FDC6 #8173FD #FD73AA

square

#EFFD73 #73FDC6 #8173FD #FD73AA

split-complementary

#EFFD73 #73AAFD #C673FD

monochromatic

#DAF203 #E8FC37 #EFFD73 #F6FEAF #FCFFE1

Accessibility & contrast

On white

1.11

#EFFD73 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

18.97

#EFFD73 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #EFFD73

18.97:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##EFFD73	#FFFFFF	#000000	##000000
##EFFD73	1.00	1.11	18.97	18.97
#FFFFFF	1.11	1.00	21.00	21.00
#000000	18.97	21.00	1.00	1.00
##000000	18.97	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#FFF265

Deuteranopia (green-blind)

#FFF57B

Tritanopia (blue-blind)

#FCF0DF

Achromatopsia (no color)

#F3F3F3

Design tokens & code

CSS

--color: #effd73;
/* rgb */ color: rgb(239, 253, 115);
/* oklch */ color: oklch(95.7% 0.162 114.3);

Tailwind

colors: {
  custom: {
    50: '#f7fe9f',
    500: '#effd73',
    950: '#000000',
  },
}

SCSS

$custom: #effd73;
$custom-light: #f7fe9f;
$custom-dark: #000000;

JSON

{
  "hex": "#effd73",
  "rgb": {
    "r": 239,
    "g": 253,
    "b": 115
  },
  "hsl": {
    "h": 66.087,
    "s": 97.183,
    "l": 72.157
  },
  "oklch": {
    "l": 0.957,
    "c": 0.16186,
    "h": 114.3
  },
  "luminance": 0.89839
}

Semantic roles & 50–950 ramp

primary

#EFFD73

secondary

#4B3BDA

accent

#00E617

background

#FFFFFC

surface

#FFFFF5

border

#D7D7CF

text

#17170F

muted

#858580

Preview Lab

Preview with #EFFD73

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

Preview Lab → · Contrast checker → · Palette generator →