#ECDF4B#ECDF4B

#ECDF4B is a very light, vivid yellow. Relative luminance 0.711; OKLCH L 88.8% C 0.163 H 104.3°. Best body text is #000000 at 15.22:1 contrast (WCAG AA passes).

Color values

HEX	#ECDF4B
RGB	rgb(236, 223, 75)
HSL	hsl(55, 81%, 61%)
HSV	hsv(55, 68%, 93%)
CMYK	cmyk(0%, 5.5%, 68.2%, 7.5%)
CIE-LAB	lab(87.54, -12.09, 70.61)
CIE-LCH	lch(87.54, 71.64, 99.71°)
OKLab	oklab(88.85% -0.0401 0.1577)
OKLCH	oklch(88.85% 0.163 104.3)
XYZ	xyz(62.2523, 71.1186, 17.1034)
Luminance	0.7112 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#ECDF4B #4B58EC

analogous

#EC8E4B #ECDF4B #A8EC4B

triadic

#ECDF4B #4BECDF #DF4BEC

tetradic

#ECDF4B #4BEC8E #4B58EC #EC4BA8

square

#ECDF4B #4BEC8E #4B58EC #EC4BA8

split-complementary

#ECDF4B #4BA8EC #8E4BEC

monochromatic

#AB9E12 #E2D218 #ECDF4B #F2E982 #F8F3BA

Accessibility & contrast

On white

1.38

#ECDF4B on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

15.22

#ECDF4B on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #ECDF4B

15.22:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##ECDF4B	#FFFFFF	#000000	##000000
##ECDF4B	1.00	1.38	15.22	15.22
#FFFFFF	1.38	1.00	21.00	21.00
#000000	15.22	21.00	1.00	1.00
##000000	15.22	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#F2D835

Deuteranopia (green-blind)

#F7DF55

Tritanopia (blue-blind)

#FDD0C1

Achromatopsia (no color)

#DBDBDB

Design tokens & code

CSS

--color: #ecdf4b;
/* rgb */ color: rgb(236, 223, 75);
/* oklch */ color: oklch(88.8% 0.163 104.3);

Tailwind

colors: {
  custom: {
    50: '#f6e886',
    500: '#ecdf4b',
    950: '#000000',
  },
}

SCSS

$custom: #ecdf4b;
$custom-light: #f6e886;
$custom-dark: #000000;

JSON

{
  "hex": "#ecdf4b",
  "rgb": {
    "r": 236,
    "g": 223,
    "b": 75
  },
  "hsl": {
    "h": 55.155,
    "s": 80.905,
    "l": 60.98
  },
  "oklch": {
    "l": 0.88846,
    "c": 0.16268,
    "h": 104.3
  },
  "luminance": 0.71116
}

Semantic roles & 50–950 ramp

primary

#ECDF4B

secondary

#303AAC

accent

#19DD08

background

#FFFEFC

surface

#FFFCF4

border

#D7D5CE

text

#18160C

muted

#86847F

Preview Lab

Preview with #ECDF4B

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

Preview Lab → · Contrast checker → · Palette generator →