#EFF668#EFF668

#EFF668 is a very light, vivid yellow. Relative luminance 0.853; OKLCH L 94.1% C 0.163 H 111.8°. Best body text is #000000 at 18.05:1 contrast (WCAG AA passes).

Color values

HEX	#EFF668
RGB	rgb(239, 246, 104)
HSL	hsl(63, 89%, 69%)
HSV	hsv(63, 58%, 96%)
CMYK	cmyk(2.8%, 0%, 57.7%, 3.5%)
CIE-LAB	lab(94.00, -20.34, 65.87)
CIE-LCH	lch(94.00, 68.94, 107.16°)
OKLab	oklab(94.12% -0.0606 0.1517)
OKLCH	oklch(94.12% 0.163 111.8)
XYZ	xyz(71.0529, 85.2633, 25.8086)
Luminance	0.8526 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#EFF668 #6F68F6

analogous

#F6B668 #EFF668 #A8F668

triadic

#EFF668 #68EFF6 #F668EF

tetradic

#EFF668 #68F6B6 #6F68F6 #F668A8

square

#EFF668 #68F6B6 #6F68F6 #F668A8

split-complementary

#EFF668 #68A8F6 #B668F6

monochromatic

#CDD70D #E9F32E #EFF668 #F5F9A2 #FBFDDC

Accessibility & contrast

On white

1.16

#EFF668 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

18.05

#EFF668 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #EFF668

18.05:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##EFF668	#FFFFFF	#000000	##000000
##EFF668	1.00	1.16	18.05	18.05
#FFFFFF	1.16	1.00	21.00	21.00
#000000	18.05	21.00	1.00	1.00
##000000	18.05	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#FFEC58

Deuteranopia (green-blind)

#FFF070

Tritanopia (blue-blind)

#FEE8D8

Achromatopsia (no color)

#EEEEEE

Design tokens & code

CSS

--color: #eff668;
/* rgb */ color: rgb(239, 246, 104);
/* oklch */ color: oklch(94.1% 0.163 111.8);

Tailwind

colors: {
  custom: {
    50: '#f7f998',
    500: '#eff668',
    950: '#000000',
  },
}

SCSS

$custom: #eff668;
$custom-light: #f7f998;
$custom-dark: #000000;

JSON

{
  "hex": "#eff668",
  "rgb": {
    "r": 239,
    "g": 246,
    "b": 104
  },
  "hsl": {
    "h": 62.958,
    "s": 88.75,
    "l": 68.627
  },
  "oklch": {
    "l": 0.94121,
    "c": 0.16337,
    "h": 111.8
  },
  "luminance": 0.85262
}

Semantic roles & 50–950 ramp

primary

#EFF668

secondary

#3B33CF

accent

#00E50B

background

#FFFFFC

surface

#FFFFF5

border

#D7D7CF

text

#18170E

muted

#86857F

Preview Lab

Preview with #EFF668

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

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