#ECF87B#ECF87B

#ECF87B is a very light, vivid yellow. Relative luminance 0.864; OKLCH L 94.5% C 0.150 H 113.8°. Best body text is #000000 at 18.28:1 contrast (WCAG AA passes).

Color values

HEX	#ECF87B
RGB	rgb(236, 248, 123)
HSL	hsl(66, 90%, 73%)
HSV	hsv(66, 50%, 97%)
CMYK	cmyk(4.8%, 0%, 50.4%, 2.7%)
CIE-LAB	lab(94.48, -20.98, 58.03)
CIE-LCH	lch(94.48, 61.70, 109.88°)
OKLab	oklab(94.52% -0.0604 0.1369)
OKLCH	oklch(94.52% 0.15 113.8)
XYZ	xyz(71.7359, 86.3989, 31.6327)
Luminance	0.8640 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#ECF87B #877BF8

analogous

#F8C57B #ECF87B #ADF87B

triadic

#ECF87B #7BECF8 #F87BEC

tetradic

#ECF87B #7BF8C5 #877BF8 #F87BAD

square

#ECF87B #7BF8C5 #877BF8 #F87BAD

split-complementary

#ECF87B #7BADF8 #C57BF8

monochromatic

#D7EC0D #E4F541 #ECF87B #F4FBB5 #FBFDE2

Accessibility & contrast

On white

1.15

#ECF87B on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

18.28

#ECF87B on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #ECF87B

18.28:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##ECF87B	#FFFFFF	#000000	##000000
##ECF87B	1.00	1.15	18.28	18.28
#FFFFFF	1.15	1.00	21.00	21.00
#000000	18.28	21.00	1.00	1.00
##000000	18.28	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#FFEE6F

Deuteranopia (green-blind)

#FFF182

Tritanopia (blue-blind)

#F9ECDC

Achromatopsia (no color)

#EFEFEF

Design tokens & code

CSS

--color: #ecf87b;
/* rgb */ color: rgb(236, 248, 123);
/* oklch */ color: oklch(94.5% 0.150 113.8);

Tailwind

colors: {
  custom: {
    50: '#f4faa4',
    500: '#ecf87b',
    950: '#000000',
  },
}

SCSS

$custom: #ecf87b;
$custom-light: #f4faa4;
$custom-dark: #000000;

JSON

{
  "hex": "#ecf87b",
  "rgb": {
    "r": 236,
    "g": 248,
    "b": 123
  },
  "hsl": {
    "h": 65.76,
    "s": 89.928,
    "l": 72.745
  },
  "oklch": {
    "l": 0.94515,
    "c": 0.1496,
    "h": 113.8
  },
  "luminance": 0.86398
}

Semantic roles & 50–950 ramp

primary

#ECF87B

secondary

#5143D4

accent

#00E616

background

#FFFFFC

surface

#FFFFF6

border

#D7D7D0

text

#17170F

muted

#858580

Preview Lab

Preview with #ECF87B

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

Preview Lab → · Contrast checker → · Palette generator →