#EFF163#EFF163

#EFF163 is a very light, vivid yellow. Relative luminance 0.822; OKLCH L 93.0% C 0.162 H 109.9°. Best body text is #000000 at 17.43:1 contrast (WCAG AA passes).

Color values

HEX	#EFF163
RGB	rgb(239, 241, 99)
HSL	hsl(61, 84%, 67%)
HSV	hsv(61, 59%, 95%)
CMYK	cmyk(0.8%, 0%, 58.9%, 5.5%)
CIE-LAB	lab(92.65, -18.27, 66.49)
CIE-LCH	lch(92.65, 68.96, 105.36°)
OKLab	oklab(93.03% -0.0553 0.1524)
OKLCH	oklch(93.03% 0.162 109.9)
XYZ	xyz(69.3060, 82.1639, 24.0103)
Luminance	0.8216 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#EFF163 #6563F1

analogous

#F1AC63 #EFF163 #A8F163

triadic

#EFF163 #63EFF1 #F163EF

tetradic

#EFF163 #63F1AC #6563F1 #F163A8

square

#EFF163 #63F1AC #6563F1 #F163A8

split-complementary

#EFF163 #63A8F1 #AC63F1

monochromatic

#C5C812 #E9EC2B #EFF163 #F5F69B #FBFBD3

Accessibility & contrast

On white

1.20

#EFF163 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

17.43

#EFF163 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #EFF163

17.43:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##EFF163	#FFFFFF	#000000	##000000
##EFF163	1.00	1.20	17.43	17.43
#FFFFFF	1.20	1.00	21.00	21.00
#000000	17.43	21.00	1.00	1.00
##000000	17.43	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#FFE753

Deuteranopia (green-blind)

#FFEC6B

Tritanopia (blue-blind)

#FEE3D3

Achromatopsia (no color)

#EAEAEA

Design tokens & code

CSS

--color: #eff163;
/* rgb */ color: rgb(239, 241, 99);
/* oklch */ color: oklch(93.0% 0.162 109.9);

Tailwind

colors: {
  custom: {
    50: '#f7f595',
    500: '#eff163',
    950: '#000000',
  },
}

SCSS

$custom: #eff163;
$custom-light: #f7f595;
$custom-dark: #000000;

JSON

{
  "hex": "#eff163",
  "rgb": {
    "r": 239,
    "g": 241,
    "b": 99
  },
  "hsl": {
    "h": 60.845,
    "s": 83.529,
    "l": 66.667
  },
  "oklch": {
    "l": 0.9303,
    "c": 0.16212,
    "h": 109.9
  },
  "luminance": 0.82162
}

Semantic roles & 50–950 ramp

primary

#EFF163

secondary

#3634C5

accent

#06E009

background

#FFFFFC

surface

#FFFEF5

border

#D7D6CF

text

#18170E

muted

#86857F

Preview Lab

Preview with #EFF163

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

Preview Lab → · Contrast checker → · Palette generator →