#EFF98F#EFF98F

#EFF98F is a very light, vivid yellow. Relative luminance 0.881; OKLCH L 95.2% C 0.130 H 113.3°. Best body text is #000000 at 18.62:1 contrast (WCAG AA passes).

Color values

HEX	#EFF98F
RGB	rgb(239, 249, 143)
HSL	hsl(66, 90%, 77%)
HSV	hsv(66, 43%, 98%)
CMYK	cmyk(4%, 0%, 42.6%, 2.4%)
CIE-LAB	lab(95.20, -18.43, 49.61)
CIE-LCH	lch(95.20, 52.92, 110.38°)
OKLab	oklab(95.22% -0.0515 0.1197)
OKLCH	oklch(95.22% 0.13 113.3)
XYZ	xyz(74.4311, 88.0863, 39.0627)
Luminance	0.8809 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#EFF98F #998FF9

analogous

#F9CE8F #EFF98F #BAF98F

triadic

#EFF98F #8FEFF9 #F98FEF

tetradic

#EFF98F #8FF9CE #998FF9 #F98FBA

square

#EFF98F #8FF9CE #998FF9 #F98FBA

split-complementary

#EFF98F #8FBAF9 #CE8FF9

monochromatic

#DEF31B #E7F655 #EFF98F #F7FCC9 #FBFDE2

Accessibility & contrast

On white

1.13

#EFF98F on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

18.62

#EFF98F on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #EFF98F

18.62:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##EFF98F	#FFFFFF	#000000	##000000
##EFF98F	1.00	1.13	18.62	18.62
#FFFFFF	1.13	1.00	21.00	21.00
#000000	18.62	21.00	1.00	1.00
##000000	18.62	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#FFF086

Deuteranopia (green-blind)

#FFF294

Tritanopia (blue-blind)

#FBEEE0

Achromatopsia (no color)

#F1F1F1

Design tokens & code

CSS

--color: #eff98f;
/* rgb */ color: rgb(239, 249, 143);
/* oklch */ color: oklch(95.2% 0.130 113.3);

Tailwind

colors: {
  custom: {
    50: '#f6fbb1',
    500: '#eff98f',
    950: '#000000',
  },
}

SCSS

$custom: #eff98f;
$custom-light: #f6fbb1;
$custom-dark: #000000;

JSON

{
  "hex": "#eff98f",
  "rgb": {
    "r": 239,
    "g": 249,
    "b": 143
  },
  "hsl": {
    "h": 65.66,
    "s": 89.831,
    "l": 76.863
  },
  "oklch": {
    "l": 0.95215,
    "c": 0.13034,
    "h": 113.3
  },
  "luminance": 0.88085
}

Semantic roles & 50–950 ramp

primary

#EFF98F

secondary

#6154D8

accent

#00E616

background

#FFFFFD

surface

#FFFFF8

border

#D7D7D1

text

#171711

muted

#858581

Preview Lab

Preview with #EFF98F

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

Preview Lab → · Contrast checker → · Palette generator →