#EFF491#EFF491

#EFF491 is a very light, vivid yellow. Relative luminance 0.851; OKLCH L 94.2% C 0.122 H 111.0°. Best body text is #000000 at 18.02:1 contrast (WCAG AA passes).

Color values

HEX	#EFF491
RGB	rgb(239, 244, 145)
HSL	hsl(63, 82%, 76%)
HSV	hsv(63, 41%, 96%)
CMYK	cmyk(2%, 0%, 40.6%, 4.3%)
CIE-LAB	lab(93.93, -15.80, 47.06)
CIE-LCH	lch(93.93, 49.64, 108.56°)
OKLab	oklab(94.21% -0.0439 0.1141)
OKLCH	oklch(94.21% 0.122 111)
XYZ	xyz(73.0591, 85.0977, 39.3594)
Luminance	0.8510 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#EFF491 #9691F4

analogous

#F4C891 #EFF491 #BEF491

triadic

#EFF491 #91EFF4 #F491EF

tetradic

#EFF491 #91F4C8 #9691F4 #F491BE

square

#EFF491 #91F4C8 #9691F4 #F491BE

split-complementary

#EFF491 #91BEF4 #C891F4

monochromatic

#DFE922 #E7EE59 #EFF491 #F7FAC9 #FBFCE3

Accessibility & contrast

On white

1.17

#EFF491 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

18.02

#EFF491 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #EFF491

18.02:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##EFF491	#FFFFFF	#000000	##000000
##EFF491	1.00	1.17	18.02	18.02
#FFFFFF	1.17	1.00	21.00	21.00
#000000	18.02	21.00	1.00	1.00
##000000	18.02	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#FFEC89

Deuteranopia (green-blind)

#FFEF96

Tritanopia (blue-blind)

#FBE9DC

Achromatopsia (no color)

#EEEEEE

Design tokens & code

CSS

--color: #eff491;
/* rgb */ color: rgb(239, 244, 145);
/* oklch */ color: oklch(94.2% 0.122 111.0);

Tailwind

colors: {
  custom: {
    50: '#f6f7b3',
    500: '#eff491',
    950: '#000000',
  },
}

SCSS

$custom: #eff491;
$custom-light: #f6f7b3;
$custom-dark: #000000;

JSON

{
  "hex": "#eff491",
  "rgb": {
    "r": 239,
    "g": 244,
    "b": 145
  },
  "hsl": {
    "h": 63.03,
    "s": 81.818,
    "l": 76.275
  },
  "oklch": {
    "l": 0.9421,
    "c": 0.12224,
    "h": 111
  },
  "luminance": 0.85096
}

Semantic roles & 50–950 ramp

primary

#EFF491

secondary

#5E58D2

accent

#07DE12

background

#FFFFFD

surface

#FFFEF8

border

#D7D6D1

text

#171711

muted

#858581

Preview Lab

Preview with #EFF491

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

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