#EFF477#EFF477

#EFF477 is a very light, vivid yellow. Relative luminance 0.844; OKLCH L 93.9% C 0.148 H 111.0°. Best body text is #000000 at 17.88:1 contrast (WCAG AA passes).

Color values

HEX	#EFF477
RGB	rgb(239, 244, 119)
HSL	hsl(62, 85%, 71%)
HSV	hsv(62, 51%, 96%)
CMYK	cmyk(2%, 0%, 51.2%, 4.3%)
CIE-LAB	lab(93.62, -18.22, 58.88)
CIE-LCH	lch(93.62, 61.64, 107.20°)
OKLab	oklab(93.87% -0.0531 0.1383)
OKLCH	oklch(93.87% 0.148 111)
XYZ	xyz(71.2786, 84.3855, 29.9824)
Luminance	0.8438 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#EFF477 #7C77F4

analogous

#F4BA77 #EFF477 #B0F477

triadic

#EFF477 #77EFF4 #F477EF

tetradic

#EFF477 #77F4BA #7C77F4 #F477B0

square

#EFF477 #77F4BA #7C77F4 #F477B0

split-complementary

#EFF477 #77B0F4 #BA77F4

monochromatic

#D6DF12 #E8EF3E #EFF477 #F6F9B0 #FCFDE3

Accessibility & contrast

On white

1.17

#EFF477 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

17.88

#EFF477 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #EFF477

17.88:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##EFF477	#FFFFFF	#000000	##000000
##EFF477	1.00	1.17	17.88	17.88
#FFFFFF	1.17	1.00	21.00	21.00
#000000	17.88	21.00	1.00	1.00
##000000	17.88	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#FFEB6B

Deuteranopia (green-blind)

#FFEE7E

Tritanopia (blue-blind)

#FDE7D8

Achromatopsia (no color)

#EDEDED

Design tokens & code

CSS

--color: #eff477;
/* rgb */ color: rgb(239, 244, 119);
/* oklch */ color: oklch(93.9% 0.148 111.0);

Tailwind

colors: {
  custom: {
    50: '#f6f7a1',
    500: '#eff477',
    950: '#000000',
  },
}

SCSS

$custom: #eff477;
$custom-light: #f6f7a1;
$custom-dark: #000000;

JSON

{
  "hex": "#eff477",
  "rgb": {
    "r": 239,
    "g": 244,
    "b": 119
  },
  "hsl": {
    "h": 62.4,
    "s": 85.034,
    "l": 71.176
  },
  "oklch": {
    "l": 0.93865,
    "c": 0.14817,
    "h": 111
  },
  "luminance": 0.84384
}

Semantic roles & 50–950 ramp

primary

#EFF477

secondary

#4641CF

accent

#04E20D

background

#FFFFFC

surface

#FFFEF5

border

#D7D6CF

text

#17170F

muted

#858580

Preview Lab

Preview with #EFF477

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

Preview Lab → · Contrast checker → · Palette generator →