#EFF98A#EFF98A

#EFF98A is a very light, vivid yellow. Relative luminance 0.879; OKLCH L 95.1% C 0.135 H 113.2°. Best body text is #000000 at 18.59:1 contrast (WCAG AA passes).

Color values

HEX	#EFF98A
RGB	rgb(239, 249, 138)
HSL	hsl(65, 90%, 76%)
HSV	hsv(65, 45%, 98%)
CMYK	cmyk(4%, 0%, 44.6%, 2.4%)
CIE-LAB	lab(95.13, -18.93, 51.91)
CIE-LCH	lch(95.13, 55.25, 110.04°)
OKLab	oklab(95.15% -0.0534 0.1245)
OKLCH	oklch(95.15% 0.135 113.2)
XYZ	xyz(74.0607, 87.9382, 37.1121)
Luminance	0.8794 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#EFF98A #948AF9

analogous

#F9CB8A #EFF98A #B7F98A

triadic

#EFF98A #8AEFF9 #F98AEF

tetradic

#EFF98A #8AF9CB #948AF9 #F98AB7

square

#EFF98A #8AF9CB #948AF9 #F98AB7

split-complementary

#EFF98A #8AB7F9 #CB8AF9

monochromatic

#DFF316 #E7F650 #EFF98A #F7FCC4 #FBFEE2

Accessibility & contrast

On white

1.13

#EFF98A on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

18.59

#EFF98A on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #EFF98A

18.59:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##EFF98A	#FFFFFF	#000000	##000000
##EFF98A	1.00	1.13	18.59	18.59
#FFFFFF	1.13	1.00	21.00	21.00
#000000	18.59	21.00	1.00	1.00
##000000	18.59	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#FFF081

Deuteranopia (green-blind)

#FFF28F

Tritanopia (blue-blind)

#FBEEDF

Achromatopsia (no color)

#F1F1F1

Design tokens & code

CSS

--color: #eff98a;
/* rgb */ color: rgb(239, 249, 138);
/* oklch */ color: oklch(95.1% 0.135 113.2);

Tailwind

colors: {
  custom: {
    50: '#f6fbae',
    500: '#eff98a',
    950: '#000000',
  },
}

SCSS

$custom: #eff98a;
$custom-light: #f6fbae;
$custom-dark: #000000;

JSON

{
  "hex": "#eff98a",
  "rgb": {
    "r": 239,
    "g": 249,
    "b": 138
  },
  "hsl": {
    "h": 65.405,
    "s": 90.244,
    "l": 75.882
  },
  "oklch": {
    "l": 0.95145,
    "c": 0.13549,
    "h": 113.2
  },
  "luminance": 0.87937
}

Semantic roles & 50–950 ramp

primary

#EFF98A

secondary

#5C50D7

accent

#00E615

background

#FFFFFD

surface

#FFFFF7

border

#D7D7D0

text

#171710

muted

#858581

Preview Lab

Preview with #EFF98A

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

Preview Lab → · Contrast checker → · Palette generator →