#ECFA7C#ECFA7C

#ECFA7C is a very light, vivid yellow. Relative luminance 0.877; OKLCH L 94.9% C 0.151 H 114.6°. Best body text is #000000 at 18.53:1 contrast (WCAG AA passes).

Color values

HEX	#ECFA7C
RGB	rgb(236, 250, 124)
HSL	hsl(67, 93%, 73%)
HSV	hsv(67, 50%, 98%)
CMYK	cmyk(5.6%, 0%, 50.4%, 2%)
CIE-LAB	lab(95.02, -21.85, 58.20)
CIE-LCH	lch(95.02, 62.17, 110.58°)
OKLab	oklab(94.95% -0.0628 0.1373)
OKLCH	oklch(94.95% 0.151 114.6)
XYZ	xyz(72.4170, 87.6604, 32.1701)
Luminance	0.8766 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#ECFA7C #8A7CFA

analogous

#FAC97C #ECFA7C #ADFA7C

triadic

#ECFA7C #7CECFA #FA7CEC

tetradic

#ECFA7C #7CFAC9 #8A7CFA #FA7CAD

square

#ECFA7C #7CFAC9 #8A7CFA #FA7CAD

split-complementary

#ECFA7C #7CADFA #C97CFA

monochromatic

#D8F209 #E3F841 #ECFA7C #F5FCB7 #FBFEE2

Accessibility & contrast

On white

1.13

#ECFA7C on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

18.53

#ECFA7C on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #ECFA7C

18.53:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##ECFA7C	#FFFFFF	#000000	##000000
##ECFA7C	1.00	1.13	18.53	18.53
#FFFFFF	1.13	1.00	21.00	21.00
#000000	18.53	21.00	1.00	1.00
##000000	18.53	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#FFF070

Deuteranopia (green-blind)

#FFF283

Tritanopia (blue-blind)

#F9EEDD

Achromatopsia (no color)

#F1F1F1

Design tokens & code

CSS

--color: #ecfa7c;
/* rgb */ color: rgb(236, 250, 124);
/* oklch */ color: oklch(94.9% 0.151 114.6);

Tailwind

colors: {
  custom: {
    50: '#f4fba5',
    500: '#ecfa7c',
    950: '#000000',
  },
}

SCSS

$custom: #ecfa7c;
$custom-light: #f4fba5;
$custom-dark: #000000;

JSON

{
  "hex": "#ecfa7c",
  "rgb": {
    "r": 236,
    "g": 250,
    "b": 124
  },
  "hsl": {
    "h": 66.667,
    "s": 92.647,
    "l": 73.333
  },
  "oklch": {
    "l": 0.94946,
    "c": 0.151,
    "h": 114.6
  },
  "luminance": 0.87659
}

Semantic roles & 50–950 ramp

primary

#ECFA7C

secondary

#5443D7

accent

#00E61A

background

#FFFFFC

surface

#FFFFF6

border

#D7D7D0

text

#17170F

muted

#858580

Preview Lab

Preview with #ECFA7C

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

Preview Lab → · Contrast checker → · Palette generator →