#EFF490#EFF490

#EFF490 is a very light, vivid yellow. Relative luminance 0.851; OKLCH L 94.2% C 0.123 H 111.0°. Best body text is #000000 at 18.01:1 contrast (WCAG AA passes).

Color values

HEX	#EFF490
RGB	rgb(239, 244, 144)
HSL	hsl(63, 82%, 76%)
HSV	hsv(63, 41%, 96%)
CMYK	cmyk(2%, 0%, 41%, 4.3%)
CIE-LAB	lab(93.91, -15.90, 47.52)
CIE-LCH	lch(93.91, 50.11, 108.50°)
OKLab	oklab(94.2% -0.0442 0.1151)
OKLCH	oklch(94.2% 0.123 111)
XYZ	xyz(72.9823, 85.0670, 38.9551)
Luminance	0.8507 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#EFF490 #9590F4

analogous

#F4C790 #EFF490 #BDF490

triadic

#EFF490 #90EFF4 #F490EF

tetradic

#EFF490 #90F4C7 #9590F4 #F490BD

square

#EFF490 #90F4C7 #9590F4 #F490BD

split-complementary

#EFF490 #90BDF4 #C790F4

monochromatic

#DFE921 #E7EE58 #EFF490 #F7FAC8 #FBFCE3

Accessibility & contrast

On white

1.17

#EFF490 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

18.01

#EFF490 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #EFF490

18.01:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##EFF490	#FFFFFF	#000000	##000000
##EFF490	1.00	1.17	18.01	18.01
#FFFFFF	1.17	1.00	21.00	21.00
#000000	18.01	21.00	1.00	1.00
##000000	18.01	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#FFEC88

Deuteranopia (green-blind)

#FFEF95

Tritanopia (blue-blind)

#FBE9DC

Achromatopsia (no color)

#EDEDED

Design tokens & code

CSS

--color: #eff490;
/* rgb */ color: rgb(239, 244, 144);
/* oklch */ color: oklch(94.2% 0.123 111.0);

Tailwind

colors: {
  custom: {
    50: '#f6f7b2',
    500: '#eff490',
    950: '#000000',
  },
}

SCSS

$custom: #eff490;
$custom-light: #f6f7b2;
$custom-dark: #000000;

JSON

{
  "hex": "#eff490",
  "rgb": {
    "r": 239,
    "g": 244,
    "b": 144
  },
  "hsl": {
    "h": 63,
    "s": 81.967,
    "l": 76.078
  },
  "oklch": {
    "l": 0.94195,
    "c": 0.1233,
    "h": 111
  },
  "luminance": 0.85066
}

Semantic roles & 50–950 ramp

primary

#EFF490

secondary

#5D57D1

accent

#07DE12

background

#FFFFFD

surface

#FFFEF8

border

#D7D6D1

text

#171711

muted

#858581

Preview Lab

Preview with #EFF490

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

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