#ECDF63#ECDF63

#ECDF63 is a very light, vivid yellow. Relative luminance 0.715; OKLCH L 89.1% C 0.145 H 103.3°. Best body text is #000000 at 15.30:1 contrast (WCAG AA passes).

Color values

HEX	#ECDF63
RGB	rgb(236, 223, 99)
HSL	hsl(54, 78%, 66%)
HSV	hsv(54, 58%, 93%)
CMYK	cmyk(0%, 5.5%, 58.1%, 7.5%)
CIE-LAB	lab(87.73, -10.63, 61.01)
CIE-LCH	lch(87.73, 61.92, 99.89°)
OKLab	oklab(89.06% -0.0334 0.1408)
OKLCH	oklch(89.06% 0.145 103.3)
XYZ	xyz(63.2341, 71.5113, 22.2741)
Luminance	0.7151 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#ECDF63 #6370EC

analogous

#EC9B63 #ECDF63 #B4EC63

triadic

#ECDF63 #63ECDF #DF63EC

tetradic

#ECDF63 #63EC9B #6370EC #EC63B4

square

#ECDF63 #63EC9B #6370EC #EC63B4

split-complementary

#ECDF63 #63B4EC #9B63EC

monochromatic

#BEAE17 #E5D42C #ECDF63 #F3EA9A #F9F5D0

Accessibility & contrast

On white

1.37

#ECDF63 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

15.30

#ECDF63 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #ECDF63

15.30:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##ECDF63	#FFFFFF	#000000	##000000
##ECDF63	1.00	1.37	15.30	15.30
#FFFFFF	1.37	1.00	21.00	21.00
#000000	15.30	21.00	1.00	1.00
##000000	15.30	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#F1D856

Deuteranopia (green-blind)

#F5DF69

Tritanopia (blue-blind)

#FCD1C4

Achromatopsia (no color)

#DCDCDC

Design tokens & code

CSS

--color: #ecdf63;
/* rgb */ color: rgb(236, 223, 99);
/* oklch */ color: oklch(89.1% 0.145 103.3);

Tailwind

colors: {
  custom: {
    50: '#f5e894',
    500: '#ecdf63',
    950: '#000000',
  },
}

SCSS

$custom: #ecdf63;
$custom-light: #f5e894;
$custom-dark: #000000;

JSON

{
  "hex": "#ecdf63",
  "rgb": {
    "r": 236,
    "g": 223,
    "b": 99
  },
  "hsl": {
    "h": 54.307,
    "s": 78.286,
    "l": 65.686
  },
  "oklch": {
    "l": 0.89059,
    "c": 0.1447,
    "h": 103.3
  },
  "luminance": 0.71509
}

Semantic roles & 50–950 ramp

primary

#ECDF63

secondary

#3744BC

accent

#1FDB0B

background

#FFFEFC

surface

#FFFCF4

border

#D7D5CE

text

#17160D

muted

#85847F

Preview Lab

Preview with #ECDF63

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

Preview Lab → · Contrast checker → · Palette generator →