#ECF88B#ECF88B

#ECF88B is a very light, vivid yellow. Relative luminance 0.868; OKLCH L 94.7% C 0.134 H 114.1°. Best body text is #000000 at 18.37:1 contrast (WCAG AA passes).

Color values

HEX	#ECF88B
RGB	rgb(236, 248, 139)
HSL	hsl(67, 89%, 76%)
HSV	hsv(67, 44%, 97%)
CMYK	cmyk(4.8%, 0%, 44%, 2.7%)
CIE-LAB	lab(94.67, -19.50, 50.81)
CIE-LCH	lch(94.67, 54.42, 110.99°)
OKLab	oklab(94.72% -0.0547 0.1222)
OKLCH	oklch(94.72% 0.134 114.1)
XYZ	xyz(72.8205, 86.8327, 37.3453)
Luminance	0.8683 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#ECF88B #978BF8

analogous

#F8CE8B #ECF88B #B5F88B

triadic

#ECF88B #8BECF8 #F88BEC

tetradic

#ECF88B #8BF8CE #978BF8 #F88BB5

square

#ECF88B #8BF8CE #978BF8 #F88BB5

split-complementary

#ECF88B #8BB5F8 #CE8BF8

monochromatic

#D9F118 #E3F551 #ECF88B #F5FBC5 #FAFDE2

Accessibility & contrast

On white

1.14

#ECF88B on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

18.37

#ECF88B on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #ECF88B

18.37:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##ECF88B	#FFFFFF	#000000	##000000
##ECF88B	1.00	1.14	18.37	18.37
#FFFFFF	1.14	1.00	21.00	21.00
#000000	18.37	21.00	1.00	1.00
##000000	18.37	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#FFEF82

Deuteranopia (green-blind)

#FFF190

Tritanopia (blue-blind)

#F8EDDE

Achromatopsia (no color)

#F0F0F0

Design tokens & code

CSS

--color: #ecf88b;
/* rgb */ color: rgb(236, 248, 139);
/* oklch */ color: oklch(94.7% 0.134 114.1);

Tailwind

colors: {
  custom: {
    50: '#f4faaf',
    500: '#ecf88b',
    950: '#000000',
  },
}

SCSS

$custom: #ecf88b;
$custom-light: #f4faaf;
$custom-dark: #000000;

JSON

{
  "hex": "#ecf88b",
  "rgb": {
    "r": 236,
    "g": 248,
    "b": 139
  },
  "hsl": {
    "h": 66.606,
    "s": 88.618,
    "l": 75.882
  },
  "oklch": {
    "l": 0.94722,
    "c": 0.1339,
    "h": 114.1
  },
  "luminance": 0.86832
}

Semantic roles & 50–950 ramp

primary

#ECF88B

secondary

#6051D6

accent

#00E519

background

#FFFFFD

surface

#FEFFF7

border

#D6D7D0

text

#171710

muted

#858581

Preview Lab

Preview with #ECF88B

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

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