#EFF281#EFF281

#EFF281 is a very light, vivid yellow. Relative luminance 0.834; OKLCH L 93.6% C 0.136 H 110.1°. Best body text is #000000 at 17.69:1 contrast (WCAG AA passes).

Color values

HEX	#EFF281
RGB	rgb(239, 242, 129)
HSL	hsl(62, 81%, 73%)
HSV	hsv(62, 47%, 95%)
CMYK	cmyk(1.2%, 0%, 46.7%, 5.1%)
CIE-LAB	lab(93.21, -16.38, 53.79)
CIE-LCH	lch(93.21, 56.23, 106.94°)
OKLab	oklab(93.57% -0.0469 0.1281)
OKLCH	oklch(93.57% 0.136 110.1)
XYZ	xyz(71.3126, 83.4415, 33.1138)
Luminance	0.8344 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#EFF281 #8481F2

analogous

#F2BC81 #EFF281 #B6F281

triadic

#EFF281 #81EFF2 #F281EF

tetradic

#EFF281 #81F2BC #8481F2 #F281B6

square

#EFF281 #81F2BC #8481F2 #F281B6

split-complementary

#EFF281 #81B6F2 #BC81F2

monochromatic

#DCE117 #E8EC4A #EFF281 #F6F8B8 #FBFCE3

Accessibility & contrast

On white

1.19

#EFF281 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

17.69

#EFF281 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #EFF281

17.69:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##EFF281	#FFFFFF	#000000	##000000
##EFF281	1.00	1.19	17.69	17.69
#FFFFFF	1.19	1.00	21.00	21.00
#000000	17.69	21.00	1.00	1.00
##000000	17.69	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#FFE977

Deuteranopia (green-blind)

#FFED87

Tritanopia (blue-blind)

#FCE6D8

Achromatopsia (no color)

#EBEBEB

Design tokens & code

CSS

--color: #eff281;
/* rgb */ color: rgb(239, 242, 129);
/* oklch */ color: oklch(93.6% 0.136 110.1);

Tailwind

colors: {
  custom: {
    50: '#f6f6a8',
    500: '#eff281',
    950: '#000000',
  },
}

SCSS

$custom: #eff281;
$custom-light: #f6f6a8;
$custom-dark: #000000;

JSON

{
  "hex": "#eff281",
  "rgb": {
    "r": 239,
    "g": 242,
    "b": 129
  },
  "hsl": {
    "h": 61.593,
    "s": 81.295,
    "l": 72.745
  },
  "oklch": {
    "l": 0.93574,
    "c": 0.13638,
    "h": 110.1
  },
  "luminance": 0.8344
}

Semantic roles & 50–950 ramp

primary

#EFF281

secondary

#4D4ACD

accent

#08DE0E

background

#FFFFFD

surface

#FFFEF7

border

#D7D6D0

text

#171710

muted

#858581

Preview Lab

Preview with #EFF281

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

Preview Lab → · Contrast checker → · Palette generator →