#EFF266#EFF266

#EFF266 is a very light, vivid yellow. Relative luminance 0.828; OKLCH L 93.3% C 0.161 H 110.3°. Best body text is #000000 at 17.56:1 contrast (WCAG AA passes).

Color values

HEX	#EFF266
RGB	rgb(239, 242, 102)
HSL	hsl(61, 84%, 67%)
HSV	hsv(61, 58%, 95%)
CMYK	cmyk(1.2%, 0%, 57.9%, 5.1%)
CIE-LAB	lab(92.93, -18.55, 65.55)
CIE-LCH	lch(92.93, 68.12, 105.80°)
OKLab	oklab(93.27% -0.0557 0.1508)
OKLCH	oklch(93.27% 0.161 110.3)
XYZ	xyz(69.7489, 82.8160, 24.8787)
Luminance	0.8281 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#EFF266 #6966F2

analogous

#F2AF66 #EFF266 #A9F266

triadic

#EFF266 #66EFF2 #F266EF

tetradic

#EFF266 #66F2AF #6966F2 #F266A9

square

#EFF266 #66F2AF #6966F2 #F266A9

split-complementary

#EFF266 #66A9F2 #AF66F2

monochromatic

#C8CC11 #E9ED2E #EFF266 #F5F79E #FBFCD7

Accessibility & contrast

On white

1.20

#EFF266 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

17.56

#EFF266 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #EFF266

17.56:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##EFF266	#FFFFFF	#000000	##000000
##EFF266	1.00	1.20	17.56	17.56
#FFFFFF	1.20	1.00	21.00	21.00
#000000	17.56	21.00	1.00	1.00
##000000	17.56	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#FFE856

Deuteranopia (green-blind)

#FFED6E

Tritanopia (blue-blind)

#FEE4D4

Achromatopsia (no color)

#EBEBEB

Design tokens & code

CSS

--color: #eff266;
/* rgb */ color: rgb(239, 242, 102);
/* oklch */ color: oklch(93.3% 0.161 110.3);

Tailwind

colors: {
  custom: {
    50: '#f7f697',
    500: '#eff266',
    950: '#000000',
  },
}

SCSS

$custom: #eff266;
$custom-light: #f7f697;
$custom-dark: #000000;

JSON

{
  "hex": "#eff266",
  "rgb": {
    "r": 239,
    "g": 242,
    "b": 102
  },
  "hsl": {
    "h": 61.286,
    "s": 84.337,
    "l": 67.451
  },
  "oklch": {
    "l": 0.93267,
    "c": 0.16076,
    "h": 110.3
  },
  "luminance": 0.82814
}

Semantic roles & 50–950 ramp

primary

#EFF266

secondary

#3734C9

accent

#05E109

background

#FFFFFC

surface

#FFFEF5

border

#D7D6CF

text

#18170E

muted

#86857F

Preview Lab

Preview with #EFF266

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

Preview Lab → · Contrast checker → · Palette generator →