#EFF487#EFF487

#EFF487 is a very light, vivid yellow. Relative luminance 0.848; OKLCH L 94.1% C 0.133 H 111.0°. Best body text is #000000 at 17.96:1 contrast (WCAG AA passes).

Color values

HEX	#EFF487
RGB	rgb(239, 244, 135)
HSL	hsl(63, 83%, 74%)
HSV	hsv(63, 45%, 96%)
CMYK	cmyk(2%, 0%, 44.7%, 4.3%)
CIE-LAB	lab(93.80, -16.80, 51.69)
CIE-LCH	lch(93.80, 54.35, 108.00°)
OKLab	oklab(94.07% -0.0475 0.1238)
OKLCH	oklch(94.07% 0.133 111)
XYZ	xyz(72.3217, 84.8027, 35.4757)
Luminance	0.8480 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#EFF487 #8C87F4

analogous

#F4C387 #EFF487 #B9F487

triadic

#EFF487 #87EFF4 #F487EF

tetradic

#EFF487 #87F4C3 #8C87F4 #F487B9

square

#EFF487 #87F4C3 #8C87F4 #F487B9

split-complementary

#EFF487 #87B9F4 #C387F4

monochromatic

#E0EA17 #E8EF4F #EFF487 #F6F9BF #FBFCE3

Accessibility & contrast

On white

1.17

#EFF487 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

17.96

#EFF487 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #EFF487

17.96:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##EFF487	#FFFFFF	#000000	##000000
##EFF487	1.00	1.17	17.96	17.96
#FFFFFF	1.17	1.00	21.00	21.00
#000000	17.96	21.00	1.00	1.00
##000000	17.96	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#FFEB7E

Deuteranopia (green-blind)

#FFEF8C

Tritanopia (blue-blind)

#FCE8DA

Achromatopsia (no color)

#EDEDED

Design tokens & code

CSS

--color: #eff487;
/* rgb */ color: rgb(239, 244, 135);
/* oklch */ color: oklch(94.1% 0.133 111.0);

Tailwind

colors: {
  custom: {
    50: '#f6f7ac',
    500: '#eff487',
    950: '#000000',
  },
}

SCSS

$custom: #eff487;
$custom-light: #f6f7ac;
$custom-dark: #000000;

JSON

{
  "hex": "#eff487",
  "rgb": {
    "r": 239,
    "g": 244,
    "b": 135
  },
  "hsl": {
    "h": 62.752,
    "s": 83.206,
    "l": 74.314
  },
  "oklch": {
    "l": 0.94068,
    "c": 0.13265,
    "h": 111
  },
  "luminance": 0.84801
}

Semantic roles & 50–950 ramp

primary

#EFF487

secondary

#554FD0

accent

#06E010

background

#FFFFFD

surface

#FFFEF7

border

#D7D6D0

text

#171710

muted

#858581

Preview Lab

Preview with #EFF487

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

Preview Lab → · Contrast checker → · Palette generator →