#EFF56A#EFF56A

#EFF56A is a very light, vivid yellow. Relative luminance 0.847; OKLCH L 93.9% C 0.161 H 111.4°. Best body text is #000000 at 17.94:1 contrast (WCAG AA passes).

Color values

HEX	#EFF56A
RGB	rgb(239, 245, 106)
HSL	hsl(63, 87%, 69%)
HSV	hsv(63, 57%, 96%)
CMYK	cmyk(2.4%, 0%, 56.7%, 3.9%)
CIE-LAB	lab(93.75, -19.71, 64.75)
CIE-LCH	lch(93.75, 67.69, 106.93°)
OKLab	oklab(93.93% -0.0586 0.1496)
OKLCH	oklch(93.93% 0.161 111.4)
XYZ	xyz(70.8523, 84.6977, 26.2488)
Luminance	0.8470 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#EFF56A #706AF5

analogous

#F5B66A #EFF56A #AAF56A

triadic

#EFF56A #6AEFF5 #F56AEF

tetradic

#EFF56A #6AF5B6 #706AF5 #F56AAA

square

#EFF56A #6AF5B6 #706AF5 #F56AAA

split-complementary

#EFF56A #6AAAF5 #B66AF5

monochromatic

#CED60E #E9F131 #EFF56A #F5F9A3 #FBFDDD

Accessibility & contrast

On white

1.17

#EFF56A on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

17.94

#EFF56A on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #EFF56A

17.94:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##EFF56A	#FFFFFF	#000000	##000000
##EFF56A	1.00	1.17	17.94	17.94
#FFFFFF	1.17	1.00	21.00	21.00
#000000	17.94	21.00	1.00	1.00
##000000	17.94	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#FFEB5B

Deuteranopia (green-blind)

#FFEF72

Tritanopia (blue-blind)

#FEE8D7

Achromatopsia (no color)

#EDEDED

Design tokens & code

CSS

--color: #eff56a;
/* rgb */ color: rgb(239, 245, 106);
/* oklch */ color: oklch(93.9% 0.161 111.4);

Tailwind

colors: {
  custom: {
    50: '#f7f899',
    500: '#eff56a',
    950: '#000000',
  },
}

SCSS

$custom: #eff56a;
$custom-light: #f7f899;
$custom-dark: #000000;

JSON

{
  "hex": "#eff56a",
  "rgb": {
    "r": 239,
    "g": 245,
    "b": 106
  },
  "hsl": {
    "h": 62.59,
    "s": 87.421,
    "l": 68.824
  },
  "oklch": {
    "l": 0.93932,
    "c": 0.16065,
    "h": 111.4
  },
  "luminance": 0.84696
}

Semantic roles & 50–950 ramp

primary

#EFF56A

secondary

#3B35CE

accent

#02E40B

background

#FFFFFC

surface

#FFFEF5

border

#D7D6CF

text

#18170E

muted

#86857F

Preview Lab

Preview with #EFF56A

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

Preview Lab → · Contrast checker → · Palette generator →