#ECF36A#ECF36A

#ECF36A is a very light, vivid yellow. Relative luminance 0.830; OKLCH L 93.3% C 0.159 H 111.8°. Best body text is #000000 at 17.60:1 contrast (WCAG AA passes).

Color values

HEX	#ECF36A
RGB	rgb(236, 243, 106)
HSL	hsl(63, 85%, 68%)
HSV	hsv(63, 56%, 95%)
CMYK	cmyk(2.9%, 0%, 56.4%, 4.7%)
CIE-LAB	lab(93.00, -19.94, 63.86)
CIE-LCH	lch(93.00, 66.90, 107.34°)
OKLab	oklab(93.28% -0.0591 0.1477)
OKLCH	oklch(93.28% 0.159 111.8)
XYZ	xyz(69.2459, 82.9761, 26.0011)
Luminance	0.8297 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#ECF36A #716AF3

analogous

#F3B56A #ECF36A #A7F36A

triadic

#ECF36A #6AECF3 #F36AEC

tetradic

#ECF36A #6AF3B5 #716AF3 #F36AA7

square

#ECF36A #6AF3B5 #716AF3 #F36AA7

split-complementary

#ECF36A #6AA7F3 #B56AF3

monochromatic

#C8D211 #E5EE31 #ECF36A #F3F8A3 #FAFCDB

Accessibility & contrast

On white

1.19

#ECF36A on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

17.60

#ECF36A on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #ECF36A

17.60:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##ECF36A	#FFFFFF	#000000	##000000
##ECF36A	1.00	1.19	17.60	17.60
#FFFFFF	1.19	1.00	21.00	21.00
#000000	17.60	21.00	1.00	1.00
##000000	17.60	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#FFE95B

Deuteranopia (green-blind)

#FFED72

Tritanopia (blue-blind)

#FAE6D5

Achromatopsia (no color)

#EBEBEB

Design tokens & code

CSS

--color: #ecf36a;
/* rgb */ color: rgb(236, 243, 106);
/* oklch */ color: oklch(93.3% 0.159 111.8);

Tailwind

colors: {
  custom: {
    50: '#f5f699',
    500: '#ecf36a',
    950: '#000000',
  },
}

SCSS

$custom: #ecf36a;
$custom-light: #f5f699;
$custom-dark: #000000;

JSON

{
  "hex": "#ecf36a",
  "rgb": {
    "r": 236,
    "g": 243,
    "b": 106
  },
  "hsl": {
    "h": 63.066,
    "s": 85.093,
    "l": 68.431
  },
  "oklch": {
    "l": 0.93279,
    "c": 0.15909,
    "h": 111.8
  },
  "luminance": 0.82975
}

Semantic roles & 50–950 ramp

primary

#ECF36A

secondary

#3D35CC

accent

#04E20F

background

#FFFFFC

surface

#FFFEF5

border

#D7D6CF

text

#17170E

muted

#85857F

Preview Lab

Preview with #ECF36A

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

Preview Lab → · Contrast checker → · Palette generator →