#EFF47C#EFF47C

#EFF47C is a very light, vivid yellow. Relative luminance 0.845; OKLCH L 93.9% C 0.143 H 111.0°. Best body text is #000000 at 17.90:1 contrast (WCAG AA passes).

Color values

HEX	#EFF47C
RGB	rgb(239, 244, 124)
HSL	hsl(63, 85%, 72%)
HSV	hsv(63, 49%, 96%)
CMYK	cmyk(2%, 0%, 49.2%, 4.3%)
CIE-LAB	lab(93.67, -17.80, 56.66)
CIE-LCH	lch(93.67, 59.39, 107.44°)
OKLab	oklab(93.93% -0.0514 0.134)
OKLCH	oklch(93.93% 0.143 111)
XYZ	xyz(71.5868, 84.5088, 31.6056)
Luminance	0.8451 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#EFF47C #817CF4

analogous

#F4BD7C #EFF47C #B3F47C

triadic

#EFF47C #7CEFF4 #F47CEF

tetradic

#EFF47C #7CF4BD #817CF4 #F47CB3

square

#EFF47C #7CF4BD #817CF4 #F47CB3

split-complementary

#EFF47C #7CB3F4 #BD7CF4

monochromatic

#DAE313 #E8EF44 #EFF47C #F6F9B4 #FCFDE3

Accessibility & contrast

On white

1.17

#EFF47C on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

17.90

#EFF47C on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #EFF47C

17.90:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##EFF47C	#FFFFFF	#000000	##000000
##EFF47C	1.00	1.17	17.90	17.90
#FFFFFF	1.17	1.00	21.00	21.00
#000000	17.90	21.00	1.00	1.00
##000000	17.90	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#FFEB71

Deuteranopia (green-blind)

#FFEF82

Tritanopia (blue-blind)

#FDE8D9

Achromatopsia (no color)

#EDEDED

Design tokens & code

CSS

--color: #eff47c;
/* rgb */ color: rgb(239, 244, 124);
/* oklch */ color: oklch(93.9% 0.143 111.0);

Tailwind

colors: {
  custom: {
    50: '#f6f7a5',
    500: '#eff47c',
    950: '#000000',
  },
}

SCSS

$custom: #eff47c;
$custom-light: #f6f7a5;
$custom-dark: #000000;

JSON

{
  "hex": "#eff47c",
  "rgb": {
    "r": 239,
    "g": 244,
    "b": 124
  },
  "hsl": {
    "h": 62.5,
    "s": 84.507,
    "l": 72.157
  },
  "oklch": {
    "l": 0.93925,
    "c": 0.14348,
    "h": 111
  },
  "luminance": 0.84507
}

Semantic roles & 50–950 ramp

primary

#EFF47C

secondary

#4B45CF

accent

#05E10E

background

#FFFFFC

surface

#FFFEF6

border

#D7D6D0

text

#17170F

muted

#858580

Preview Lab

Preview with #EFF47C

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

Preview Lab → · Contrast checker → · Palette generator →