#ECF46B#ECF46B

#ECF46B is a very light, vivid yellow. Relative luminance 0.836; OKLCH L 93.5% C 0.159 H 112.2°. Best body text is #000000 at 17.72:1 contrast (WCAG AA passes).

Color values

HEX	#ECF46B
RGB	rgb(236, 244, 107)
HSL	hsl(64, 86%, 69%)
HSV	hsv(64, 56%, 96%)
CMYK	cmyk(3.3%, 0%, 56.1%, 4.3%)
CIE-LAB	lab(93.28, -20.35, 63.73)
CIE-LCH	lch(93.28, 66.90, 107.71°)
OKLab	oklab(93.5% -0.0601 0.1475)
OKLCH	oklch(93.5% 0.159 112.2)
XYZ	xyz(69.5982, 83.5972, 26.3766)
Luminance	0.8360 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#ECF46B #736BF4

analogous

#F4B86B #ECF46B #A8F46B

triadic

#ECF46B #6BECF4 #F46BEC

tetradic

#ECF46B #6BF4B8 #736BF4 #F46BA8

square

#ECF46B #6BF4B8 #736BF4 #F46BA8

split-complementary

#ECF46B #6BA8F4 #B86BF4

monochromatic

#C9D510 #E5F032 #ECF46B #F3F8A4 #FBFCDD

Accessibility & contrast

On white

1.19

#ECF46B on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

17.72

#ECF46B on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #ECF46B

17.72:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##ECF46B	#FFFFFF	#000000	##000000
##ECF46B	1.00	1.19	17.72	17.72
#FFFFFF	1.19	1.00	21.00	21.00
#000000	17.72	21.00	1.00	1.00
##000000	17.72	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#FFEA5C

Deuteranopia (green-blind)

#FFED73

Tritanopia (blue-blind)

#FAE7D6

Achromatopsia (no color)

#ECECEC

Design tokens & code

CSS

--color: #ecf46b;
/* rgb */ color: rgb(236, 244, 107);
/* oklch */ color: oklch(93.5% 0.159 112.2);

Tailwind

colors: {
  custom: {
    50: '#f5f79a',
    500: '#ecf46b',
    950: '#000000',
  },
}

SCSS

$custom: #ecf46b;
$custom-light: #f5f79a;
$custom-dark: #000000;

JSON

{
  "hex": "#ecf46b",
  "rgb": {
    "r": 236,
    "g": 244,
    "b": 107
  },
  "hsl": {
    "h": 63.504,
    "s": 86.164,
    "l": 68.824
  },
  "oklch": {
    "l": 0.93499,
    "c": 0.15934,
    "h": 112.2
  },
  "luminance": 0.83596
}

Semantic roles & 50–950 ramp

primary

#ECF46B

secondary

#3F36CD

accent

#03E310

background

#FFFFFC

surface

#FFFEF5

border

#D7D6CF

text

#17170E

muted

#85857F

Preview Lab

Preview with #ECF46B

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

Preview Lab → · Contrast checker → · Palette generator →