#EFF499#EFF499

#EFF499 is a very light, moderate yellow. Relative luminance 0.854; OKLCH L 94.3% C 0.114 H 111.1°. Best body text is #000000 at 18.07:1 contrast (WCAG AA passes).

Color values

HEX	#EFF499
RGB	rgb(239, 244, 153)
HSL	hsl(63, 81%, 78%)
HSV	hsv(63, 37%, 96%)
CMYK	cmyk(2%, 0%, 37.3%, 4.3%)
CIE-LAB	lab(94.04, -14.94, 43.30)
CIE-LCH	lch(94.04, 45.80, 109.04°)
OKLab	oklab(94.33% -0.0408 0.106)
OKLCH	oklch(94.33% 0.114 111.1)
XYZ	xyz(73.6978, 85.3532, 42.7233)
Luminance	0.8535 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#EFF499 #9E99F4

analogous

#F4CC99 #EFF499 #C1F499

triadic

#EFF499 #99EFF4 #F499EF

tetradic

#EFF499 #99F4CC #9E99F4 #F499C1

square

#EFF499 #99F4CC #9E99F4 #F499C1

split-complementary

#EFF499 #99C1F4 #CC99F4

monochromatic

#DEE82B #E6EE62 #EFF499 #F8FAD0 #FBFCE3

Accessibility & contrast

On white

1.16

#EFF499 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

18.07

#EFF499 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #EFF499

18.07:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##EFF499	#FFFFFF	#000000	##000000
##EFF499	1.00	1.16	18.07	18.07
#FFFFFF	1.16	1.00	21.00	21.00
#000000	18.07	21.00	1.00	1.00
##000000	18.07	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#FFEC92

Deuteranopia (green-blind)

#FFEF9D

Tritanopia (blue-blind)

#FAEADD

Achromatopsia (no color)

#EEEEEE

Design tokens & code

CSS

--color: #eff499;
/* rgb */ color: rgb(239, 244, 153);
/* oklch */ color: oklch(94.3% 0.114 111.1);

Tailwind

colors: {
  custom: {
    50: '#f5f7b8',
    500: '#eff499',
    950: '#000000',
  },
}

SCSS

$custom: #eff499;
$custom-light: #f5f7b8;
$custom-dark: #000000;

JSON

{
  "hex": "#eff499",
  "rgb": {
    "r": 239,
    "g": 244,
    "b": 153
  },
  "hsl": {
    "h": 63.297,
    "s": 80.531,
    "l": 77.843
  },
  "oklch": {
    "l": 0.94333,
    "c": 0.11355,
    "h": 111.1
  },
  "luminance": 0.85352
}

Semantic roles & 50–950 ramp

primary

#EFF499

secondary

#655FD2

accent

#09DD14

background

#FFFFFD

surface

#FFFEF8

border

#D7D6D1

text

#171711

muted

#858581

Preview Lab

Preview with #EFF499

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

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