#EFF283#EFF283

#EFF283 is a very light, vivid yellow. Relative luminance 0.835; OKLCH L 93.6% C 0.134 H 110.1°. Best body text is #000000 at 17.70:1 contrast (WCAG AA passes).

Color values

HEX	#EFF283
RGB	rgb(239, 242, 131)
HSL	hsl(62, 81%, 73%)
HSV	hsv(62, 46%, 95%)
CMYK	cmyk(1.2%, 0%, 45.9%, 5.1%)
CIE-LAB	lab(93.23, -16.20, 52.88)
CIE-LCH	lch(93.23, 55.31, 107.03°)
OKLab	oklab(93.6% -0.0462 0.1262)
OKLCH	oklch(93.6% 0.134 110.1)
XYZ	xyz(71.4468, 83.4952, 33.8208)
Luminance	0.8349 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#EFF283 #8683F2

analogous

#F2BE83 #EFF283 #B7F283

triadic

#EFF283 #83EFF2 #F283EF

tetradic

#EFF283 #83F2BE #8683F2 #F283B7

square

#EFF283 #83F2BE #8683F2 #F283B7

split-complementary

#EFF283 #83B7F2 #BE83F2

monochromatic

#DDE318 #E8EC4C #EFF283 #F6F8BA #FBFCE3

Accessibility & contrast

On white

1.19

#EFF283 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

17.70

#EFF283 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #EFF283

17.70:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##EFF283	#FFFFFF	#000000	##000000
##EFF283	1.00	1.19	17.70	17.70
#FFFFFF	1.19	1.00	21.00	21.00
#000000	17.70	21.00	1.00	1.00
##000000	17.70	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#FFEA79

Deuteranopia (green-blind)

#FFED88

Tritanopia (blue-blind)

#FCE6D8

Achromatopsia (no color)

#ECECEC

Design tokens & code

CSS

--color: #eff283;
/* rgb */ color: rgb(239, 242, 131);
/* oklch */ color: oklch(93.6% 0.134 110.1);

Tailwind

colors: {
  custom: {
    50: '#f6f6a9',
    500: '#eff283',
    950: '#000000',
  },
}

SCSS

$custom: #eff283;
$custom-light: #f6f6a9;
$custom-dark: #000000;

JSON

{
  "hex": "#eff283",
  "rgb": {
    "r": 239,
    "g": 242,
    "b": 131
  },
  "hsl": {
    "h": 61.622,
    "s": 81.022,
    "l": 73.137
  },
  "oklch": {
    "l": 0.936,
    "c": 0.1344,
    "h": 110.1
  },
  "luminance": 0.83494
}

Semantic roles & 50–950 ramp

primary

#EFF283

secondary

#4F4CCD

accent

#08DD0E

background

#FFFFFD

surface

#FFFEF7

border

#D7D6D0

text

#171710

muted

#858581

Preview Lab

Preview with #EFF283

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

Preview Lab → · Contrast checker → · Palette generator →