#EFF471#EFF471

#EFF471 is a very light, vivid yellow. Relative luminance 0.842; OKLCH L 93.8% C 0.154 H 111.0°. Best body text is #000000 at 17.85:1 contrast (WCAG AA passes).

Color values

HEX	#EFF471
RGB	rgb(239, 244, 113)
HSL	hsl(62, 86%, 70%)
HSV	hsv(62, 54%, 96%)
CMYK	cmyk(2%, 0%, 53.7%, 4.3%)
CIE-LAB	lab(93.56, -18.71, 61.49)
CIE-LCH	lch(93.56, 64.27, 106.92°)
OKLab	oklab(93.8% -0.0551 0.1434)
OKLCH	oklch(93.8% 0.154 111)
XYZ	xyz(70.9296, 84.2459, 28.1442)
Luminance	0.8424 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#EFF471 #7671F4

analogous

#F4B771 #EFF471 #AEF471

triadic

#EFF471 #71EFF4 #F471EF

tetradic

#EFF471 #71F4B7 #7671F4 #F471AE

square

#EFF471 #71F4B7 #7671F4 #F471AE

split-complementary

#EFF471 #71AEF4 #B771F4

monochromatic

#D2DA11 #E9F038 #EFF471 #F5F8AA #FCFDE3

Accessibility & contrast

On white

1.18

#EFF471 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

17.85

#EFF471 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #EFF471

17.85:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##EFF471	#FFFFFF	#000000	##000000
##EFF471	1.00	1.18	17.85	17.85
#FFFFFF	1.18	1.00	21.00	21.00
#000000	17.85	21.00	1.00	1.00
##000000	17.85	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#FFEA64

Deuteranopia (green-blind)

#FFEE78

Tritanopia (blue-blind)

#FDE7D7

Achromatopsia (no color)

#ECECEC

Design tokens & code

CSS

--color: #eff471;
/* rgb */ color: rgb(239, 244, 113);
/* oklch */ color: oklch(93.8% 0.154 111.0);

Tailwind

colors: {
  custom: {
    50: '#f7f79e',
    500: '#eff471',
    950: '#000000',
  },
}

SCSS

$custom: #eff471;
$custom-light: #f7f79e;
$custom-dark: #000000;

JSON

{
  "hex": "#eff471",
  "rgb": {
    "r": 239,
    "g": 244,
    "b": 113
  },
  "hsl": {
    "h": 62.29,
    "s": 85.621,
    "l": 70
  },
  "oklch": {
    "l": 0.93798,
    "c": 0.15357,
    "h": 111
  },
  "luminance": 0.84244
}

Semantic roles & 50–950 ramp

primary

#EFF471

secondary

#413BCE

accent

#03E20C

background

#FFFFFC

surface

#FFFEF5

border

#D7D6CF

text

#17170F

muted

#858580

Preview Lab

Preview with #EFF471

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

Preview Lab → · Contrast checker → · Palette generator →