#ECFA52#ECFA52

#ECFA52 is a very light, vivid yellow. Relative luminance 0.868; OKLCH L 94.5% C 0.184 H 114.0°. Best body text is #000000 at 18.36:1 contrast (WCAG AA passes).

Color values

HEX	#ECFA52
RGB	rgb(236, 250, 82)
HSL	hsl(65, 94%, 65%)
HSV	hsv(65, 67%, 98%)
CMYK	cmyk(5.6%, 0%, 67.2%, 2%)
CIE-LAB	lab(94.66, -24.80, 75.18)
CIE-LCH	lch(94.66, 79.16, 108.26°)
OKLab	oklab(94.54% -0.0751 0.1684)
OKLCH	oklch(94.54% 0.184 114)
XYZ	xyz(70.3026, 86.8146, 21.0345)
Luminance	0.8681 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#ECFA52 #6052FA

analogous

#FAB452 #ECFA52 #98FA52

triadic

#ECFA52 #52ECFA #FA52EC

tetradic

#ECFA52 #52FAB4 #6052FA #FA5298

square

#ECFA52 #52FAB4 #6052FA #FA5298

split-complementary

#ECFA52 #5298FA #B452FA

monochromatic

#BBCC06 #E5F817 #ECFA52 #F3FC8D #F9FDC9

Accessibility & contrast

On white

1.14

#ECFA52 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

18.36

#ECFA52 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #ECFA52

18.36:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##ECFA52	#FFFFFF	#000000	##000000
##ECFA52	1.00	1.14	18.36	18.36
#FFFFFF	1.14	1.00	21.00	21.00
#000000	18.36	21.00	1.00	1.00
##000000	18.36	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#FFEE38

Deuteranopia (green-blind)

#FFF15E

Tritanopia (blue-blind)

#FBECD9

Achromatopsia (no color)

#F0F0F0

Design tokens & code

CSS

--color: #ecfa52;
/* rgb */ color: rgb(236, 250, 82);
/* oklch */ color: oklch(94.5% 0.184 114.0);

Tailwind

colors: {
  custom: {
    50: '#f6fb8c',
    500: '#ecfa52',
    950: '#000000',
  },
}

SCSS

$custom: #ecfa52;
$custom-light: #f6fb8c;
$custom-dark: #000000;

JSON

{
  "hex": "#ecfa52",
  "rgb": {
    "r": 236,
    "g": 250,
    "b": 82
  },
  "hsl": {
    "h": 65,
    "s": 94.382,
    "l": 65.098
  },
  "oklch": {
    "l": 0.94544,
    "c": 0.18439,
    "h": 114
  },
  "luminance": 0.86813
}

Semantic roles & 50–950 ramp

primary

#ECFA52

secondary

#3629C7

accent

#00E613

background

#FFFFFC

surface

#FFFFF4

border

#D7D7CE

text

#18170D

muted

#86857F

Preview Lab

Preview with #ECFA52

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

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