#EFF56B#EFF56B

#EFF56B is a very light, vivid yellow. Relative luminance 0.847; OKLCH L 93.9% C 0.160 H 111.4°. Best body text is #000000 at 17.94:1 contrast (WCAG AA passes).

Color values

HEX	#EFF56B
RGB	rgb(239, 245, 107)
HSL	hsl(63, 87%, 69%)
HSV	hsv(63, 56%, 96%)
CMYK	cmyk(2.4%, 0%, 56.3%, 3.9%)
CIE-LAB	lab(93.76, -19.64, 64.34)
CIE-LCH	lch(93.76, 67.27, 106.98°)
OKLab	oklab(93.94% -0.0583 0.1488)
OKLCH	oklch(93.94% 0.16 111.4)
XYZ	xyz(70.9046, 84.7186, 26.5243)
Luminance	0.8472 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#EFF56B #716BF5

analogous

#F5B66B #EFF56B #AAF56B

triadic

#EFF56B #6BEFF5 #F56BEF

tetradic

#EFF56B #6BF5B6 #716BF5 #F56BAA

square

#EFF56B #6BF5B6 #716BF5 #F56BAA

split-complementary

#EFF56B #6BAAF5 #B66BF5

monochromatic

#CED70F #E9F132 #EFF56B #F5F9A4 #FBFDDE

Accessibility & contrast

On white

1.17

#EFF56B on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

17.94

#EFF56B on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #EFF56B

17.94:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##EFF56B	#FFFFFF	#000000	##000000
##EFF56B	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)

#FFEB5C

Deuteranopia (green-blind)

#FFEF73

Tritanopia (blue-blind)

#FEE8D7

Achromatopsia (no color)

#EDEDED

Design tokens & code

CSS

--color: #eff56b;
/* rgb */ color: rgb(239, 245, 107);
/* oklch */ color: oklch(93.9% 0.160 111.4);

Tailwind

colors: {
  custom: {
    50: '#f7f89a',
    500: '#eff56b',
    950: '#000000',
  },
}

SCSS

$custom: #eff56b;
$custom-light: #f7f89a;
$custom-dark: #000000;

JSON

{
  "hex": "#eff56b",
  "rgb": {
    "r": 239,
    "g": 245,
    "b": 107
  },
  "hsl": {
    "h": 62.609,
    "s": 87.342,
    "l": 69.02
  },
  "oklch": {
    "l": 0.93943,
    "c": 0.15982,
    "h": 111.4
  },
  "luminance": 0.84717
}

Semantic roles & 50–950 ramp

primary

#EFF56B

secondary

#3C36CE

accent

#02E40B

background

#FFFFFC

surface

#FFFEF5

border

#D7D6CF

text

#18170E

muted

#86857F

Preview Lab

Preview with #EFF56B

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

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