#ECFA56#ECFA56

#ECFA56 is a very light, vivid yellow. Relative luminance 0.869; OKLCH L 94.6% C 0.182 H 114.1°. Best body text is #000000 at 18.38:1 contrast (WCAG AA passes).

Color values

HEX	#ECFA56
RGB	rgb(236, 250, 86)
HSL	hsl(65, 94%, 66%)
HSV	hsv(65, 66%, 98%)
CMYK	cmyk(5.6%, 0%, 65.6%, 2%)
CIE-LAB	lab(94.69, -24.58, 73.73)
CIE-LCH	lch(94.69, 77.72, 108.44°)
OKLab	oklab(94.57% -0.0741 0.166)
OKLCH	oklch(94.57% 0.182 114.1)
XYZ	xyz(70.4593, 86.8773, 21.8596)
Luminance	0.8688 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#ECFA56 #6456FA

analogous

#FAB656 #ECFA56 #9AFA56

triadic

#ECFA56 #56ECFA #FA56EC

tetradic

#ECFA56 #56FAB6 #6456FA #FA569A

square

#ECFA56 #56FAB6 #6456FA #FA569A

split-complementary

#ECFA56 #569AFA #B656FA

monochromatic

#BECF06 #E5F81B #ECFA56 #F3FC91 #F9FECD

Accessibility & contrast

On white

1.14

#ECFA56 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

18.38

#ECFA56 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #ECFA56

18.38:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##ECFA56	#FFFFFF	#000000	##000000
##ECFA56	1.00	1.14	18.38	18.38
#FFFFFF	1.14	1.00	21.00	21.00
#000000	18.38	21.00	1.00	1.00
##000000	18.38	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#FFEE3E

Deuteranopia (green-blind)

#FFF162

Tritanopia (blue-blind)

#FBECD9

Achromatopsia (no color)

#F0F0F0

Design tokens & code

CSS

--color: #ecfa56;
/* rgb */ color: rgb(236, 250, 86);
/* oklch */ color: oklch(94.6% 0.182 114.1);

Tailwind

colors: {
  custom: {
    50: '#f6fb8e',
    500: '#ecfa56',
    950: '#000000',
  },
}

SCSS

$custom: #ecfa56;
$custom-light: #f6fb8e;
$custom-dark: #000000;

JSON

{
  "hex": "#ecfa56",
  "rgb": {
    "r": 236,
    "g": 250,
    "b": 86
  },
  "hsl": {
    "h": 65.122,
    "s": 94.253,
    "l": 65.882
  },
  "oklch": {
    "l": 0.94574,
    "c": 0.18176,
    "h": 114.1
  },
  "luminance": 0.86876
}

Semantic roles & 50–950 ramp

primary

#ECFA56

secondary

#372ACB

accent

#00E614

background

#FFFFFC

surface

#FFFFF4

border

#D7D7CE

text

#18170D

muted

#86857F

Preview Lab

Preview with #ECFA56

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

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