#EFF56D#EFF56D

#EFF56D is a very light, vivid yellow. Relative luminance 0.848; OKLCH L 94.0% C 0.158 H 111.4°. Best body text is #000000 at 17.95:1 contrast (WCAG AA passes).

Color values

HEX	#EFF56D
RGB	rgb(239, 245, 109)
HSL	hsl(63, 87%, 69%)
HSV	hsv(63, 56%, 96%)
CMYK	cmyk(2.4%, 0%, 55.5%, 3.9%)
CIE-LAB	lab(93.78, -19.49, 63.49)
CIE-LCH	lch(93.78, 66.42, 107.07°)
OKLab	oklab(93.96% -0.0577 0.1472)
OKLCH	oklch(93.96% 0.158 111.4)
XYZ	xyz(71.0111, 84.7612, 27.0849)
Luminance	0.8476 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#EFF56D #736DF5

analogous

#F5B76D #EFF56D #ABF56D

triadic

#EFF56D #6DEFF5 #F56DEF

tetradic

#EFF56D #6DF5B7 #736DF5 #F56DAB

square

#EFF56D #6DF5B7 #736DF5 #F56DAB

split-complementary

#EFF56D #6DABF5 #B76DF5

monochromatic

#D0D90F #E9F134 #EFF56D #F5F9A6 #FCFDE0

Accessibility & contrast

On white

1.17

#EFF56D on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

17.95

#EFF56D on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #EFF56D

17.95:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##EFF56D	#FFFFFF	#000000	##000000
##EFF56D	1.00	1.17	17.95	17.95
#FFFFFF	1.17	1.00	21.00	21.00
#000000	17.95	21.00	1.00	1.00
##000000	17.95	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#FFEB5F

Deuteranopia (green-blind)

#FFEF75

Tritanopia (blue-blind)

#FDE8D7

Achromatopsia (no color)

#EDEDED

Design tokens & code

CSS

--color: #eff56d;
/* rgb */ color: rgb(239, 245, 109);
/* oklch */ color: oklch(94.0% 0.158 111.4);

Tailwind

colors: {
  custom: {
    50: '#f7f89b',
    500: '#eff56d',
    950: '#000000',
  },
}

SCSS

$custom: #eff56d;
$custom-light: #f7f89b;
$custom-dark: #000000;

JSON

{
  "hex": "#eff56d",
  "rgb": {
    "r": 239,
    "g": 245,
    "b": 109
  },
  "hsl": {
    "h": 62.647,
    "s": 87.179,
    "l": 69.412
  },
  "oklch": {
    "l": 0.93963,
    "c": 0.15813,
    "h": 111.4
  },
  "luminance": 0.8476
}

Semantic roles & 50–950 ramp

primary

#EFF56D

secondary

#3E37CF

accent

#02E40C

background

#FFFFFC

surface

#FFFEF5

border

#D7D6CF

text

#17170E

muted

#85857F

Preview Lab

Preview with #EFF56D

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

Preview Lab → · Contrast checker → · Palette generator →