#EFF56C#EFF56C

#EFF56C is a very light, vivid yellow. Relative luminance 0.847; OKLCH L 94.0% C 0.159 H 111.4°. Best body text is #000000 at 17.95:1 contrast (WCAG AA passes).

Color values

HEX	#EFF56C
RGB	rgb(239, 245, 108)
HSL	hsl(63, 87%, 69%)
HSV	hsv(63, 56%, 96%)
CMYK	cmyk(2.4%, 0%, 55.9%, 3.9%)
CIE-LAB	lab(93.77, -19.57, 63.92)
CIE-LCH	lch(93.77, 66.84, 107.02°)
OKLab	oklab(93.95% -0.058 0.148)
OKLCH	oklch(93.95% 0.159 111.4)
XYZ	xyz(70.9575, 84.7398, 26.8030)
Luminance	0.8474 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#EFF56C #726CF5

analogous

#F5B76C #EFF56C #ABF56C

triadic

#EFF56C #6CEFF5 #F56CEF

tetradic

#EFF56C #6CF5B7 #726CF5 #F56CAB

square

#EFF56C #6CF5B7 #726CF5 #F56CAB

split-complementary

#EFF56C #6CABF5 #B76CF5

monochromatic

#CFD80F #E9F133 #EFF56C #F5F9A5 #FBFDDF

Accessibility & contrast

On white

1.17

#EFF56C on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

17.95

#EFF56C on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #EFF56C

17.95:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##EFF56C	#FFFFFF	#000000	##000000
##EFF56C	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)

#FFEB5D

Deuteranopia (green-blind)

#FFEF74

Tritanopia (blue-blind)

#FEE8D7

Achromatopsia (no color)

#EDEDED

Design tokens & code

CSS

--color: #eff56c;
/* rgb */ color: rgb(239, 245, 108);
/* oklch */ color: oklch(94.0% 0.159 111.4);

Tailwind

colors: {
  custom: {
    50: '#f7f89a',
    500: '#eff56c',
    950: '#000000',
  },
}

SCSS

$custom: #eff56c;
$custom-light: #f7f89a;
$custom-dark: #000000;

JSON

{
  "hex": "#eff56c",
  "rgb": {
    "r": 239,
    "g": 245,
    "b": 108
  },
  "hsl": {
    "h": 62.628,
    "s": 87.261,
    "l": 69.216
  },
  "oklch": {
    "l": 0.93953,
    "c": 0.15898,
    "h": 111.4
  },
  "luminance": 0.84738
}

Semantic roles & 50–950 ramp

primary

#EFF56C

secondary

#3D37CF

accent

#02E40C

background

#FFFFFC

surface

#FFFEF5

border

#D7D6CF

text

#17170E

muted

#85857F

Preview Lab

Preview with #EFF56C

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

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