#ECF888#ECF888

#ECF888 is a very light, vivid yellow. Relative luminance 0.867; OKLCH L 94.7% C 0.137 H 114.1°. Best body text is #000000 at 18.35:1 contrast (WCAG AA passes).

Color values

HEX	#ECF888
RGB	rgb(236, 248, 136)
HSL	hsl(66, 89%, 75%)
HSV	hsv(66, 45%, 97%)
CMYK	cmyk(4.8%, 0%, 45.2%, 2.7%)
CIE-LAB	lab(94.63, -19.79, 52.18)
CIE-LCH	lch(94.63, 55.81, 110.77°)
OKLab	oklab(94.68% -0.0558 0.1251)
OKLCH	oklch(94.68% 0.137 114.1)
XYZ	xyz(72.6044, 86.7463, 36.2067)
Luminance	0.8675 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#ECF888 #9488F8

analogous

#F8CC88 #ECF888 #B4F888

triadic

#ECF888 #88ECF8 #F888EC

tetradic

#ECF888 #88F8CC #9488F8 #F888B4

square

#ECF888 #88F8CC #9488F8 #F888B4

split-complementary

#ECF888 #88B4F8 #CC88F8

monochromatic

#DAF114 #E3F54E #ECF888 #F5FBC2 #FAFDE2

Accessibility & contrast

On white

1.14

#ECF888 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

18.35

#ECF888 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #ECF888

18.35:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##ECF888	#FFFFFF	#000000	##000000
##ECF888	1.00	1.14	18.35	18.35
#FFFFFF	1.14	1.00	21.00	21.00
#000000	18.35	21.00	1.00	1.00
##000000	18.35	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#FFEE7F

Deuteranopia (green-blind)

#FFF18E

Tritanopia (blue-blind)

#F8EDDE

Achromatopsia (no color)

#F0F0F0

Design tokens & code

CSS

--color: #ecf888;
/* rgb */ color: rgb(236, 248, 136);
/* oklch */ color: oklch(94.7% 0.137 114.1);

Tailwind

colors: {
  custom: {
    50: '#f4faad',
    500: '#ecf888',
    950: '#000000',
  },
}

SCSS

$custom: #ecf888;
$custom-light: #f4faad;
$custom-dark: #000000;

JSON

{
  "hex": "#ecf888",
  "rgb": {
    "r": 236,
    "g": 248,
    "b": 136
  },
  "hsl": {
    "h": 66.429,
    "s": 88.889,
    "l": 75.294
  },
  "oklch": {
    "l": 0.94681,
    "c": 0.13695,
    "h": 114.1
  },
  "luminance": 0.86745
}

Semantic roles & 50–950 ramp

primary

#ECF888

secondary

#5D4ED6

accent

#00E619

background

#FFFFFD

surface

#FFFFF7

border

#D7D7D0

text

#171710

muted

#858581

Preview Lab

Preview with #ECF888

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

Preview Lab → · Contrast checker → · Palette generator →