#EFF47A#EFF47A

#EFF47A is a very light, vivid yellow. Relative luminance 0.845; OKLCH L 93.9% C 0.145 H 111.0°. Best body text is #000000 at 17.89:1 contrast (WCAG AA passes).

Color values

HEX	#EFF47A
RGB	rgb(239, 244, 122)
HSL	hsl(62, 85%, 72%)
HSV	hsv(62, 50%, 96%)
CMYK	cmyk(2%, 0%, 50%, 4.3%)
CIE-LAB	lab(93.65, -17.97, 57.55)
CIE-LCH	lch(93.65, 60.30, 107.34°)
OKLab	oklab(93.9% -0.0521 0.1357)
OKLCH	oklch(93.9% 0.145 111)
XYZ	xyz(71.4616, 84.4587, 30.9463)
Luminance	0.8446 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#EFF47A #7F7AF4

analogous

#F4BC7A #EFF47A #B2F47A

triadic

#EFF47A #7AEFF4 #F47AEF

tetradic

#EFF47A #7AF4BC #7F7AF4 #F47AB2

square

#EFF47A #7AF4BC #7F7AF4 #F47AB2

split-complementary

#EFF47A #7AB2F4 #BC7AF4

monochromatic

#D9E113 #E8EF41 #EFF47A #F6F9B3 #FCFDE3

Accessibility & contrast

On white

1.17

#EFF47A on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

17.89

#EFF47A on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #EFF47A

17.89:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##EFF47A	#FFFFFF	#000000	##000000
##EFF47A	1.00	1.17	17.89	17.89
#FFFFFF	1.17	1.00	21.00	21.00
#000000	17.89	21.00	1.00	1.00
##000000	17.89	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#FFEB6F

Deuteranopia (green-blind)

#FFEF80

Tritanopia (blue-blind)

#FDE8D8

Achromatopsia (no color)

#EDEDED

Design tokens & code

CSS

--color: #eff47a;
/* rgb */ color: rgb(239, 244, 122);
/* oklch */ color: oklch(93.9% 0.145 111.0);

Tailwind

colors: {
  custom: {
    50: '#f6f7a3',
    500: '#eff47a',
    950: '#000000',
  },
}

SCSS

$custom: #eff47a;
$custom-light: #f6f7a3;
$custom-dark: #000000;

JSON

{
  "hex": "#eff47a",
  "rgb": {
    "r": 239,
    "g": 244,
    "b": 122
  },
  "hsl": {
    "h": 62.459,
    "s": 84.722,
    "l": 71.765
  },
  "oklch": {
    "l": 0.93901,
    "c": 0.14538,
    "h": 111
  },
  "luminance": 0.84457
}

Semantic roles & 50–950 ramp

primary

#EFF47A

secondary

#4943CF

accent

#04E10D

background

#FFFFFC

surface

#FFFEF6

border

#D7D6D0

text

#17170F

muted

#858580

Preview Lab

Preview with #EFF47A

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

Preview Lab → · Contrast checker → · Palette generator →