#EFF06C#EFF06C

#EFF06C is a very light, vivid yellow. Relative luminance 0.818; OKLCH L 92.9% C 0.154 H 109.5°. Best body text is #000000 at 17.35:1 contrast (WCAG AA passes).

Color values

HEX	#EFF06C
RGB	rgb(239, 240, 108)
HSL	hsl(60, 81%, 68%)
HSV	hsv(60, 55%, 94%)
CMYK	cmyk(0.4%, 0%, 55%, 5.9%)
CIE-LAB	lab(92.47, -17.15, 62.45)
CIE-LCH	lch(92.47, 64.76, 105.36°)
OKLab	oklab(92.91% -0.0512 0.1449)
OKLCH	oklch(92.91% 0.154 109.5)
XYZ	xyz(69.4653, 81.7554, 26.3056)
Luminance	0.8175 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#EFF06C #6D6CF0

analogous

#F0AF6C #EFF06C #ADF06C

triadic

#EFF06C #6CEFF0 #F06CEF

tetradic

#EFF06C #6CF0AF #6D6CF0 #F06CAD

square

#EFF06C #6CF0AF #6D6CF0 #F06CAD

split-complementary

#EFF06C #6CADF0 #AF6CF0

monochromatic

#CBCD15 #E9EA34 #EFF06C #F5F6A4 #FBFBDB

Accessibility & contrast

On white

1.21

#EFF06C on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

17.35

#EFF06C on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #EFF06C

17.35:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##EFF06C	#FFFFFF	#000000	##000000
##EFF06C	1.00	1.21	17.35	17.35
#FFFFFF	1.21	1.00	21.00	21.00
#000000	17.35	21.00	1.00	1.00
##000000	17.35	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#FFE75E

Deuteranopia (green-blind)

#FFEC73

Tritanopia (blue-blind)

#FEE3D3

Achromatopsia (no color)

#E9E9E9

Design tokens & code

CSS

--color: #eff06c;
/* rgb */ color: rgb(239, 240, 108);
/* oklch */ color: oklch(92.9% 0.154 109.5);

Tailwind

colors: {
  custom: {
    50: '#f7f49a',
    500: '#eff06c',
    950: '#000000',
  },
}

SCSS

$custom: #eff06c;
$custom-light: #f7f49a;
$custom-dark: #000000;

JSON

{
  "hex": "#eff06c",
  "rgb": {
    "r": 239,
    "g": 240,
    "b": 108
  },
  "hsl": {
    "h": 60.455,
    "s": 81.481,
    "l": 68.235
  },
  "oklch": {
    "l": 0.92912,
    "c": 0.15364,
    "h": 109.5
  },
  "luminance": 0.81754
}

Semantic roles & 50–950 ramp

primary

#EFF06C

secondary

#3938C8

accent

#08DE09

background

#FFFFFC

surface

#FFFEF5

border

#D7D6CF

text

#17170E

muted

#85857F

Preview Lab

Preview with #EFF06C

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

Preview Lab → · Contrast checker → · Palette generator →