#EFF573#EFF573

#EFF573 is a very light, vivid yellow. Relative luminance 0.849; OKLCH L 94.0% C 0.153 H 111.4°. Best body text is #000000 at 17.98:1 contrast (WCAG AA passes).

Color values

HEX	#EFF573
RGB	rgb(239, 245, 115)
HSL	hsl(63, 87%, 71%)
HSV	hsv(63, 53%, 96%)
CMYK	cmyk(2.4%, 0%, 53.1%, 3.9%)
CIE-LAB	lab(93.84, -19.03, 60.93)
CIE-LCH	lch(93.84, 63.83, 107.35°)
OKLab	oklab(94.03% -0.0558 0.1424)
OKLCH	oklch(94.03% 0.153 111.4)
XYZ	xyz(71.3451, 84.8948, 28.8443)
Luminance	0.8489 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#EFF573 #7973F5

analogous

#F5BA73 #EFF573 #AEF573

triadic

#EFF573 #73EFF5 #F573EF

tetradic

#EFF573 #73F5BA #7973F5 #F573AE

square

#EFF573 #73F5BA #7973F5 #F573AE

split-complementary

#EFF573 #73AEF5 #BA73F5

monochromatic

#D4DE10 #E8F13A #EFF573 #F6F9AC #FCFDE2

Accessibility & contrast

On white

1.17

#EFF573 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

17.98

#EFF573 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #EFF573

17.98:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##EFF573	#FFFFFF	#000000	##000000
##EFF573	1.00	1.17	17.98	17.98
#FFFFFF	1.17	1.00	21.00	21.00
#000000	17.98	21.00	1.00	1.00
##000000	17.98	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#FFEB66

Deuteranopia (green-blind)

#FFEF7A

Tritanopia (blue-blind)

#FDE8D8

Achromatopsia (no color)

#EDEDED

Design tokens & code

CSS

--color: #eff573;
/* rgb */ color: rgb(239, 245, 115);
/* oklch */ color: oklch(94.0% 0.153 111.4);

Tailwind

colors: {
  custom: {
    50: '#f7f89f',
    500: '#eff573',
    950: '#000000',
  },
}

SCSS

$custom: #eff573;
$custom-light: #f7f89f;
$custom-dark: #000000;

JSON

{
  "hex": "#eff573",
  "rgb": {
    "r": 239,
    "g": 245,
    "b": 115
  },
  "hsl": {
    "h": 62.769,
    "s": 86.667,
    "l": 70.588
  },
  "oklch": {
    "l": 0.94028,
    "c": 0.1529,
    "h": 111.4
  },
  "luminance": 0.84893
}

Semantic roles & 50–950 ramp

primary

#EFF573

secondary

#443DCF

accent

#02E30D

background

#FFFFFC

surface

#FFFEF5

border

#D7D6CF

text

#17170F

muted

#858580

Preview Lab

Preview with #EFF573

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

Preview Lab → · Contrast checker → · Palette generator →