#EFF983#EFF983

#EFF983 is a very light, vivid yellow. Relative luminance 0.877; OKLCH L 95.1% C 0.142 H 113.1°. Best body text is #000000 at 18.55:1 contrast (WCAG AA passes).

Color values

HEX	#EFF983
RGB	rgb(239, 249, 131)
HSL	hsl(65, 91%, 75%)
HSV	hsv(65, 47%, 98%)
CMYK	cmyk(4%, 0%, 47.4%, 2.4%)
CIE-LAB	lab(95.05, -19.59, 55.08)
CIE-LCH	lch(95.05, 58.46, 109.58°)
OKLab	oklab(95.05% -0.0559 0.1311)
OKLCH	oklch(95.05% 0.142 113.1)
XYZ	xyz(73.5702, 87.7420, 34.5286)
Luminance	0.8774 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#EFF983 #8D83F9

analogous

#F9C883 #EFF983 #B4F983

triadic

#EFF983 #83EFF9 #F983EF

tetradic

#EFF983 #83F9C8 #8D83F9 #F983B4

square

#EFF983 #83F9C8 #8D83F9 #F983B4

split-complementary

#EFF983 #83B4F9 #C883F9

monochromatic

#E0F30E #E7F649 #EFF983 #F7FCBD #FBFEE2

Accessibility & contrast

On white

1.13

#EFF983 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

18.55

#EFF983 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #EFF983

18.55:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##EFF983	#FFFFFF	#000000	##000000
##EFF983	1.00	1.13	18.55	18.55
#FFFFFF	1.13	1.00	21.00	21.00
#000000	18.55	21.00	1.00	1.00
##000000	18.55	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#FFEF79

Deuteranopia (green-blind)

#FFF289

Tritanopia (blue-blind)

#FCEDDE

Achromatopsia (no color)

#F1F1F1

Design tokens & code

CSS

--color: #eff983;
/* rgb */ color: rgb(239, 249, 131);
/* oklch */ color: oklch(95.1% 0.142 113.1);

Tailwind

colors: {
  custom: {
    50: '#f6fba9',
    500: '#eff983',
    950: '#000000',
  },
}

SCSS

$custom: #eff983;
$custom-light: #f6fba9;
$custom-dark: #000000;

JSON

{
  "hex": "#eff983",
  "rgb": {
    "r": 239,
    "g": 249,
    "b": 131
  },
  "hsl": {
    "h": 65.085,
    "s": 90.769,
    "l": 74.51
  },
  "oklch": {
    "l": 0.95052,
    "c": 0.14247,
    "h": 113.1
  },
  "luminance": 0.87741
}

Semantic roles & 50–950 ramp

primary

#EFF983

secondary

#564AD7

accent

#00E613

background

#FFFFFD

surface

#FFFFF7

border

#D7D7D0

text

#171710

muted

#858581

Preview Lab

Preview with #EFF983

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

Preview Lab → · Contrast checker → · Palette generator →