#EFF564#EFF564

#EFF564 is a very light, vivid yellow. Relative luminance 0.846; OKLCH L 93.9% C 0.166 H 111.4°. Best body text is #000000 at 17.92:1 contrast (WCAG AA passes).

Color values

HEX	#EFF564
RGB	rgb(239, 245, 100)
HSL	hsl(62, 88%, 68%)
HSV	hsv(62, 59%, 96%)
CMYK	cmyk(2.4%, 0%, 59.2%, 3.9%)
CIE-LAB	lab(93.70, -20.13, 67.22)
CIE-LCH	lch(93.70, 70.17, 106.67°)
OKLab	oklab(93.87% -0.0604 0.1541)
OKLCH	oklch(93.87% 0.166 111.4)
XYZ	xyz(70.5512, 84.5772, 24.6627)
Luminance	0.8458 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#EFF564 #6A64F5

analogous

#F5B364 #EFF564 #A6F564

triadic

#EFF564 #64EFF5 #F564EF

tetradic

#EFF564 #64F5B3 #6A64F5 #F564A6

square

#EFF564 #64F5B3 #6A64F5 #F564A6

split-complementary

#EFF564 #64A6F5 #B364F5

monochromatic

#C9D10D #E9F12B #EFF564 #F5F99D #FBFCD7

Accessibility & contrast

On white

1.17

#EFF564 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

17.92

#EFF564 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #EFF564

17.92:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##EFF564	#FFFFFF	#000000	##000000
##EFF564	1.00	1.17	17.92	17.92
#FFFFFF	1.17	1.00	21.00	21.00
#000000	17.92	21.00	1.00	1.00
##000000	17.92	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#FFEB53

Deuteranopia (green-blind)

#FFEF6D

Tritanopia (blue-blind)

#FEE7D6

Achromatopsia (no color)

#EDEDED

Design tokens & code

CSS

--color: #eff564;
/* rgb */ color: rgb(239, 245, 100);
/* oklch */ color: oklch(93.9% 0.166 111.4);

Tailwind

colors: {
  custom: {
    50: '#f7f896',
    500: '#eff564',
    950: '#000000',
  },
}

SCSS

$custom: #eff564;
$custom-light: #f7f896;
$custom-dark: #000000;

JSON

{
  "hex": "#eff564",
  "rgb": {
    "r": 239,
    "g": 245,
    "b": 100
  },
  "hsl": {
    "h": 62.483,
    "s": 87.879,
    "l": 67.647
  },
  "oklch": {
    "l": 0.93874,
    "c": 0.16552,
    "h": 111.4
  },
  "luminance": 0.84576
}

Semantic roles & 50–950 ramp

primary

#EFF564

secondary

#3731CC

accent

#01E40A

background

#FFFFFC

surface

#FFFEF5

border

#D7D6CF

text

#18170E

muted

#86857F

Preview Lab

Preview with #EFF564

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

Preview Lab → · Contrast checker → · Palette generator →