#EFF16D#EFF16D

#EFF16D is a very light, vivid yellow. Relative luminance 0.824; OKLCH L 93.1% C 0.154 H 109.8°. Best body text is #000000 at 17.47:1 contrast (WCAG AA passes).

Color values

HEX	#EFF16D
RGB	rgb(239, 241, 109)
HSL	hsl(61, 83%, 69%)
HSV	hsv(61, 55%, 95%)
CMYK	cmyk(0.8%, 0%, 54.8%, 5.5%)
CIE-LAB	lab(92.74, -17.56, 62.32)
CIE-LCH	lch(92.74, 64.74, 105.74°)
OKLab	oklab(93.13% -0.0522 0.1447)
OKLCH	oklch(93.13% 0.154 109.8)
XYZ	xyz(69.8140, 82.3671, 26.6858)
Luminance	0.8236 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#EFF16D #6F6DF1

analogous

#F1B16D #EFF16D #ADF16D

triadic

#EFF16D #6DEFF1 #F16DEF

tetradic

#EFF16D #6DF1B1 #6F6DF1 #F16DAD

square

#EFF16D #6DF1B1 #6F6DF1 #F16DAD

split-complementary

#EFF16D #6DADF1 #B16DF1

monochromatic

#CDD014 #E9EC35 #EFF16D #F5F6A5 #FBFCDD

Accessibility & contrast

On white

1.20

#EFF16D on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

17.47

#EFF16D on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #EFF16D

17.47:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##EFF16D	#FFFFFF	#000000	##000000
##EFF16D	1.00	1.20	17.47	17.47
#FFFFFF	1.20	1.00	21.00	21.00
#000000	17.47	21.00	1.00	1.00
##000000	17.47	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#FFE85F

Deuteranopia (green-blind)

#FFEC74

Tritanopia (blue-blind)

#FEE4D4

Achromatopsia (no color)

#EAEAEA

Design tokens & code

CSS

--color: #eff16d;
/* rgb */ color: rgb(239, 241, 109);
/* oklch */ color: oklch(93.1% 0.154 109.8);

Tailwind

colors: {
  custom: {
    50: '#f7f59b',
    500: '#eff16d',
    950: '#000000',
  },
}

SCSS

$custom: #eff16d;
$custom-light: #f7f59b;
$custom-dark: #000000;

JSON

{
  "hex": "#eff16d",
  "rgb": {
    "r": 239,
    "g": 241,
    "b": 109
  },
  "hsl": {
    "h": 60.909,
    "s": 82.5,
    "l": 68.627
  },
  "oklch": {
    "l": 0.9313,
    "c": 0.15383,
    "h": 109.8
  },
  "luminance": 0.82365
}

Semantic roles & 50–950 ramp

primary

#EFF16D

secondary

#3B38CA

accent

#07DF0A

background

#FFFFFC

surface

#FFFEF5

border

#D7D6CF

text

#17170E

muted

#85857F

Preview Lab

Preview with #EFF16D

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

Preview Lab → · Contrast checker → · Palette generator →