#ECF56B#ECF56B

#ECF56B is a very light, vivid yellow. Relative luminance 0.842; OKLCH L 93.7% C 0.160 H 112.5°. Best body text is #000000 at 17.84:1 contrast (WCAG AA passes).

Color values

HEX	#ECF56B
RGB	rgb(236, 245, 107)
HSL	hsl(64, 87%, 69%)
HSV	hsv(64, 56%, 96%)
CMYK	cmyk(3.7%, 0%, 56.3%, 3.9%)
CIE-LAB	lab(93.54, -20.83, 64.02)
CIE-LCH	lch(93.54, 67.33, 108.02°)
OKLab	oklab(93.71% -0.0615 0.1482)
OKLCH	oklch(93.71% 0.16 112.5)
XYZ	xyz(69.9000, 84.2006, 26.4772)
Luminance	0.8420 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#ECF56B #746BF5

analogous

#F5B96B #ECF56B #A7F56B

triadic

#ECF56B #6BECF5 #F56BEC

tetradic

#ECF56B #6BF5B9 #746BF5 #F56BA7

square

#ECF56B #6BF5B9 #746BF5 #F56BA7

split-complementary

#ECF56B #6BA7F5 #B96BF5

monochromatic

#CAD70F #E5F132 #ECF56B #F3F9A4 #FBFDDE

Accessibility & contrast

On white

1.18

#ECF56B on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

17.84

#ECF56B on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #ECF56B

17.84:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##ECF56B	#FFFFFF	#000000	##000000
##ECF56B	1.00	1.18	17.84	17.84
#FFFFFF	1.18	1.00	21.00	21.00
#000000	17.84	21.00	1.00	1.00
##000000	17.84	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#FFEB5C

Deuteranopia (green-blind)

#FFEE73

Tritanopia (blue-blind)

#FAE8D7

Achromatopsia (no color)

#ECECEC

Design tokens & code

CSS

--color: #ecf56b;
/* rgb */ color: rgb(236, 245, 107);
/* oklch */ color: oklch(93.7% 0.160 112.5);

Tailwind

colors: {
  custom: {
    50: '#f5f89a',
    500: '#ecf56b',
    950: '#000000',
  },
}

SCSS

$custom: #ecf56b;
$custom-light: #f5f89a;
$custom-dark: #000000;

JSON

{
  "hex": "#ecf56b",
  "rgb": {
    "r": 236,
    "g": 245,
    "b": 107
  },
  "hsl": {
    "h": 63.913,
    "s": 87.342,
    "l": 69.02
  },
  "oklch": {
    "l": 0.93708,
    "c": 0.16044,
    "h": 112.5
  },
  "luminance": 0.84199
}

Semantic roles & 50–950 ramp

primary

#ECF56B

secondary

#4036CE

accent

#02E410

background

#FFFFFC

surface

#FFFEF5

border

#D7D6CF

text

#17170E

muted

#85857F

Preview Lab

Preview with #ECF56B

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

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