#ECF36E#ECF36E

#ECF36E is a very light, vivid yellow. Relative luminance 0.831; OKLCH L 93.3% C 0.156 H 111.8°. Best body text is #000000 at 17.61:1 contrast (WCAG AA passes).

Color values

HEX	#ECF36E
RGB	rgb(236, 243, 110)
HSL	hsl(63, 85%, 69%)
HSV	hsv(63, 55%, 95%)
CMYK	cmyk(2.9%, 0%, 54.7%, 4.7%)
CIE-LAB	lab(93.04, -19.64, 62.16)
CIE-LCH	lch(93.04, 65.19, 107.53°)
OKLab	oklab(93.32% -0.0578 0.1445)
OKLCH	oklch(93.32% 0.156 111.8)
XYZ	xyz(69.4588, 83.0613, 27.1223)
Luminance	0.8306 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#ECF36E #756EF3

analogous

#F3B86E #ECF36E #AAF36E

triadic

#ECF36E #6EECF3 #F36EEC

tetradic

#ECF36E #6EF3B8 #756EF3 #F36EAA

square

#ECF36E #6EF3B8 #756EF3 #F36EAA

split-complementary

#ECF36E #6EAAF3 #B86EF3

monochromatic

#CBD512 #E5EE35 #ECF36E #F3F8A7 #FBFCDF

Accessibility & contrast

On white

1.19

#ECF36E on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

17.61

#ECF36E on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #ECF36E

17.61:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##ECF36E	#FFFFFF	#000000	##000000
##ECF36E	1.00	1.19	17.61	17.61
#FFFFFF	1.19	1.00	21.00	21.00
#000000	17.61	21.00	1.00	1.00
##000000	17.61	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#FFE960

Deuteranopia (green-blind)

#FFED76

Tritanopia (blue-blind)

#FAE6D6

Achromatopsia (no color)

#EBEBEB

Design tokens & code

CSS

--color: #ecf36e;
/* rgb */ color: rgb(236, 243, 110);
/* oklch */ color: oklch(93.3% 0.156 111.8);

Tailwind

colors: {
  custom: {
    50: '#f5f69c',
    500: '#ecf36e',
    950: '#000000',
  },
}

SCSS

$custom: #ecf36e;
$custom-light: #f5f69c;
$custom-dark: #000000;

JSON

{
  "hex": "#ecf36e",
  "rgb": {
    "r": 236,
    "g": 243,
    "b": 110
  },
  "hsl": {
    "h": 63.158,
    "s": 84.713,
    "l": 69.216
  },
  "oklch": {
    "l": 0.93321,
    "c": 0.15568,
    "h": 111.8
  },
  "luminance": 0.8306
}

Semantic roles & 50–950 ramp

primary

#ECF36E

secondary

#4139CC

accent

#04E110

background

#FFFFFC

surface

#FFFEF5

border

#D7D6CF

text

#17170E

muted

#85857F

Preview Lab

Preview with #ECF36E

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

Preview Lab → · Contrast checker → · Palette generator →