#ECF488#ECF488

#ECF488 is a very light, vivid yellow. Relative luminance 0.843; OKLCH L 93.8% C 0.132 H 112.4°. Best body text is #000000 at 17.86:1 contrast (WCAG AA passes).

Color values

HEX	#ECF488
RGB	rgb(236, 244, 136)
HSL	hsl(64, 83%, 75%)
HSV	hsv(64, 44%, 96%)
CMYK	cmyk(3.3%, 0%, 44.3%, 4.3%)
CIE-LAB	lab(93.59, -17.86, 50.90)
CIE-LCH	lch(93.59, 53.94, 109.33°)
OKLab	oklab(93.85% -0.0503 0.1222)
OKLCH	oklch(93.85% 0.132 112.4)
XYZ	xyz(71.3877, 84.3130, 35.8012)
Luminance	0.8431 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#ECF488 #9088F4

analogous

#F4C688 #ECF488 #B6F488

triadic

#ECF488 #88ECF4 #F488EC

tetradic

#ECF488 #88F4C6 #9088F4 #F488B6

square

#ECF488 #88F4C6 #9088F4 #F488B6

split-complementary

#ECF488 #88B6F4 #C688F4

monochromatic

#DAEA18 #E3EF50 #ECF488 #F5F9C0 #FBFCE3

Accessibility & contrast

On white

1.18

#ECF488 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

17.86

#ECF488 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #ECF488

17.86:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##ECF488	#FFFFFF	#000000	##000000
##ECF488	1.00	1.18	17.86	17.86
#FFFFFF	1.18	1.00	21.00	21.00
#000000	17.86	21.00	1.00	1.00
##000000	17.86	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#FFEB7F

Deuteranopia (green-blind)

#FFEE8D

Tritanopia (blue-blind)

#F8E9DA

Achromatopsia (no color)

#EDEDED

Design tokens & code

CSS

--color: #ecf488;
/* rgb */ color: rgb(236, 244, 136);
/* oklch */ color: oklch(93.8% 0.132 112.4);

Tailwind

colors: {
  custom: {
    50: '#f4f7ac',
    500: '#ecf488',
    950: '#000000',
  },
}

SCSS

$custom: #ecf488;
$custom-light: #f4f7ac;
$custom-dark: #000000;

JSON

{
  "hex": "#ecf488",
  "rgb": {
    "r": 236,
    "g": 244,
    "b": 136
  },
  "hsl": {
    "h": 64.444,
    "s": 83.077,
    "l": 74.51
  },
  "oklch": {
    "l": 0.93848,
    "c": 0.13216,
    "h": 112.4
  },
  "luminance": 0.84312
}

Semantic roles & 50–950 ramp

primary

#ECF488

secondary

#5950D1

accent

#06DF16

background

#FFFFFD

surface

#FEFEF7

border

#D6D6D0

text

#171710

muted

#858581

Preview Lab

Preview with #ECF488

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

Preview Lab → · Contrast checker → · Palette generator →