#EFF998#EFF998

#EFF998 is a very light, vivid yellow. Relative luminance 0.884; OKLCH L 95.3% C 0.121 H 113.5°. Best body text is #000000 at 18.67:1 contrast (WCAG AA passes).

Color values

HEX	#EFF998
RGB	rgb(239, 249, 152)
HSL	hsl(66, 89%, 79%)
HSV	hsv(66, 39%, 98%)
CMYK	cmyk(4%, 0%, 39%, 2.4%)
CIE-LAB	lab(95.32, -17.49, 45.42)
CIE-LCH	lch(95.32, 48.67, 111.06°)
OKLab	oklab(95.35% -0.0482 0.1108)
OKLCH	oklch(95.35% 0.121 113.5)
XYZ	xyz(75.1404, 88.3701, 42.7984)
Luminance	0.8837 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#EFF998 #A298F9

analogous

#F9D298 #EFF998 #BEF998

triadic

#EFF998 #98EFF9 #F998EF

tetradic

#EFF998 #98F9D2 #A298F9 #F998BE

square

#EFF998 #98F9D2 #A298F9 #F998BE

split-complementary

#EFF998 #98BEF9 #D298F9

monochromatic

#DDF224 #E6F65E #EFF998 #F8FCD2 #FBFDE2

Accessibility & contrast

On white

1.12

#EFF998 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

18.67

#EFF998 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #EFF998

18.67:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##EFF998	#FFFFFF	#000000	##000000
##EFF998	1.00	1.12	18.67	18.67
#FFFFFF	1.12	1.00	21.00	21.00
#000000	18.67	21.00	1.00	1.00
##000000	18.67	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#FFF091

Deuteranopia (green-blind)

#FFF39C

Tritanopia (blue-blind)

#FAEFE1

Achromatopsia (no color)

#F1F1F1

Design tokens & code

CSS

--color: #eff998;
/* rgb */ color: rgb(239, 249, 152);
/* oklch */ color: oklch(95.3% 0.121 113.5);

Tailwind

colors: {
  custom: {
    50: '#f5fbb7',
    500: '#eff998',
    950: '#000000',
  },
}

SCSS

$custom: #eff998;
$custom-light: #f5fbb7;
$custom-dark: #000000;

JSON

{
  "hex": "#eff998",
  "rgb": {
    "r": 239,
    "g": 249,
    "b": 152
  },
  "hsl": {
    "h": 66.186,
    "s": 88.991,
    "l": 78.627
  },
  "oklch": {
    "l": 0.95349,
    "c": 0.12078,
    "h": 113.5
  },
  "luminance": 0.88369
}

Semantic roles & 50–950 ramp

primary

#EFF998

secondary

#695CD9

accent

#00E618

background

#FFFFFD

surface

#FFFFF8

border

#D7D7D1

text

#171711

muted

#858581

Preview Lab

Preview with #EFF998

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

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