#EFF166#EFF166

#EFF166 is a very light, vivid yellow. Relative luminance 0.822; OKLCH L 93.1% C 0.160 H 109.9°. Best body text is #000000 at 17.44:1 contrast (WCAG AA passes).

Color values

HEX	#EFF166
RGB	rgb(239, 241, 102)
HSL	hsl(61, 83%, 67%)
HSV	hsv(61, 58%, 95%)
CMYK	cmyk(0.8%, 0%, 57.7%, 5.5%)
CIE-LAB	lab(92.67, -18.07, 65.26)
CIE-LCH	lch(92.67, 67.71, 105.47°)
OKLab	oklab(93.06% -0.0544 0.1502)
OKLCH	oklch(93.06% 0.16 109.9)
XYZ	xyz(69.4521, 82.2224, 24.7797)
Luminance	0.8222 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#EFF166 #6866F1

analogous

#F1AD66 #EFF166 #AAF166

triadic

#EFF166 #66EFF1 #F166EF

tetradic

#EFF166 #66F1AD #6866F1 #F166AA

square

#EFF166 #66F1AD #6866F1 #F166AA

split-complementary

#EFF166 #66AAF1 #AD66F1

monochromatic

#C7CA12 #E9EC2E #EFF166 #F5F69E #FBFBD6

Accessibility & contrast

On white

1.20

#EFF166 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

17.44

#EFF166 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #EFF166

17.44:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##EFF166	#FFFFFF	#000000	##000000
##EFF166	1.00	1.20	17.44	17.44
#FFFFFF	1.20	1.00	21.00	21.00
#000000	17.44	21.00	1.00	1.00
##000000	17.44	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#FFE856

Deuteranopia (green-blind)

#FFEC6E

Tritanopia (blue-blind)

#FEE3D3

Achromatopsia (no color)

#EAEAEA

Design tokens & code

CSS

--color: #eff166;
/* rgb */ color: rgb(239, 241, 102);
/* oklch */ color: oklch(93.1% 0.160 109.9);

Tailwind

colors: {
  custom: {
    50: '#f7f597',
    500: '#eff166',
    950: '#000000',
  },
}

SCSS

$custom: #eff166;
$custom-light: #f7f597;
$custom-dark: #000000;

JSON

{
  "hex": "#eff166",
  "rgb": {
    "r": 239,
    "g": 241,
    "b": 102
  },
  "hsl": {
    "h": 60.863,
    "s": 83.234,
    "l": 67.255
  },
  "oklch": {
    "l": 0.93059,
    "c": 0.1597,
    "h": 109.9
  },
  "luminance": 0.82221
}

Semantic roles & 50–950 ramp

primary

#EFF166

secondary

#3734C7

accent

#06E009

background

#FFFFFC

surface

#FFFEF5

border

#D7D6CF

text

#18170E

muted

#86857F

Preview Lab

Preview with #EFF166

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

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