#ECFA6C#ECFA6C

#ECFA6C is a very light, vivid yellow. Relative luminance 0.873; OKLCH L 94.8% C 0.165 H 114.3°. Best body text is #000000 at 18.46:1 contrast (WCAG AA passes).

Color values

HEX	#ECFA6C
RGB	rgb(236, 250, 108)
HSL	hsl(66, 93%, 70%)
HSV	hsv(66, 57%, 98%)
CMYK	cmyk(5.6%, 0%, 56.8%, 2%)
CIE-LAB	lab(94.86, -23.14, 65.08)
CIE-LCH	lch(94.86, 69.07, 109.57°)
OKLab	oklab(94.77% -0.0679 0.1505)
OKLCH	oklch(94.77% 0.165 114.3)
XYZ	xyz(71.4860, 87.2880, 27.2669)
Luminance	0.8729 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#ECFA6C #7A6CFA

analogous

#FAC16C #ECFA6C #A5FA6C

triadic

#ECFA6C #6CECFA #FA6CEC

tetradic

#ECFA6C #6CFAC1 #7A6CFA #FA6CA5

square

#ECFA6C #6CFAC1 #7A6CFA #FA6CA5

split-complementary

#ECFA6C #6CA5FA #C16CFA

monochromatic

#CEE408 #E4F831 #ECFA6C #F4FCA7 #FBFEE1

Accessibility & contrast

On white

1.14

#ECFA6C on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

18.46

#ECFA6C on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #ECFA6C

18.46:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##ECFA6C	#FFFFFF	#000000	##000000
##ECFA6C	1.00	1.14	18.46	18.46
#FFFFFF	1.14	1.00	21.00	21.00
#000000	18.46	21.00	1.00	1.00
##000000	18.46	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#FFEF5D

Deuteranopia (green-blind)

#FFF275

Tritanopia (blue-blind)

#FAEDDB

Achromatopsia (no color)

#F0F0F0

Design tokens & code

CSS

--color: #ecfa6c;
/* rgb */ color: rgb(236, 250, 108);
/* oklch */ color: oklch(94.8% 0.165 114.3);

Tailwind

colors: {
  custom: {
    50: '#f5fb9b',
    500: '#ecfa6c',
    950: '#000000',
  },
}

SCSS

$custom: #ecfa6c;
$custom-light: #f5fb9b;
$custom-dark: #000000;

JSON

{
  "hex": "#ecfa6c",
  "rgb": {
    "r": 236,
    "g": 250,
    "b": 108
  },
  "hsl": {
    "h": 65.915,
    "s": 93.421,
    "l": 70.196
  },
  "oklch": {
    "l": 0.94769,
    "c": 0.16516,
    "h": 114.3
  },
  "luminance": 0.87287
}

Semantic roles & 50–950 ramp

primary

#ECFA6C

secondary

#4535D5

accent

#00E617

background

#FFFFFC

surface

#FFFFF5

border

#D7D7CF

text

#17170E

muted

#85857F

Preview Lab

Preview with #ECFA6C

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

Preview Lab → · Contrast checker → · Palette generator →