#ECCF63#ECCF63

#ECCF63 is a very light, vivid yellow. Relative luminance 0.634; OKLCH L 85.8% C 0.131 H 94.4°. Best body text is #000000 at 13.67:1 contrast (WCAG AA passes).

Color values

HEX	#ECCF63
RGB	rgb(236, 207, 99)
HSL	hsl(47, 78%, 66%)
HSV	hsv(47, 58%, 93%)
CMYK	cmyk(0%, 12.3%, 58.1%, 7.5%)
CIE-LAB	lab(83.63, -2.54, 56.38)
CIE-LCH	lch(83.63, 56.44, 92.58°)
OKLab	oklab(85.81% -0.0102 0.1309)
OKLCH	oklch(85.81% 0.131 94.4)
XYZ	xyz(59.1595, 63.3622, 20.9160)
Luminance	0.6336 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#ECCF63 #6380EC

analogous

#EC8A63 #ECCF63 #C5EC63

triadic

#ECCF63 #63ECCF #CF63EC

tetradic

#ECCF63 #63EC8A #6380EC #EC63C5

square

#ECCF63 #63EC8A #6380EC #EC63C5

split-complementary

#ECCF63 #63C5EC #8A63EC

monochromatic

#BE9A17 #E5BE2C #ECCF63 #F3E09A #F9F1D0

Accessibility & contrast

On white

1.54

#ECCF63 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

13.67

#ECCF63 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #ECCF63

13.67:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##ECCF63	#FFFFFF	#000000	##000000
##ECCF63	1.00	1.54	13.67	13.67
#FFFFFF	1.54	1.00	21.00	21.00
#000000	13.67	21.00	1.00	1.00
##000000	13.67	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#E2CB58

Deuteranopia (green-blind)

#E9D468

Tritanopia (blue-blind)

#FDC1B7

Achromatopsia (no color)

#D0D0D0

Design tokens & code

CSS

--color: #eccf63;
/* rgb */ color: rgb(236, 207, 99);
/* oklch */ color: oklch(85.8% 0.131 94.4);

Tailwind

colors: {
  custom: {
    50: '#f5dd93',
    500: '#eccf63',
    950: '#000000',
  },
}

SCSS

$custom: #eccf63;
$custom-light: #f5dd93;
$custom-dark: #000000;

JSON

{
  "hex": "#eccf63",
  "rgb": {
    "r": 236,
    "g": 207,
    "b": 99
  },
  "hsl": {
    "h": 47.299,
    "s": 78.286,
    "l": 65.686
  },
  "oklch": {
    "l": 0.85809,
    "c": 0.13128,
    "h": 94.4
  },
  "luminance": 0.63359
}

Semantic roles & 50–950 ramp

primary

#ECCF63

secondary

#3753BC

accent

#37DB0B

background

#FFFEFC

surface

#FFFCF4

border

#D7D5CE

text

#17150D

muted

#85847F

Preview Lab

Preview with #ECCF63

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

Preview Lab → · Contrast checker → · Palette generator →