#ECDB39#ECDB39

#ECDB39 is a very light, vivid yellow. Relative luminance 0.688; OKLCH L 87.9% C 0.170 H 103.1°. Best body text is #000000 at 14.76:1 contrast (WCAG AA passes).

Color values

HEX	#ECDB39
RGB	rgb(236, 219, 57)
HSL	hsl(54, 82%, 57%)
HSV	hsv(54, 76%, 93%)
CMYK	cmyk(0%, 7.2%, 75.8%, 7.5%)
CIE-LAB	lab(86.40, -10.89, 75.72)
CIE-LCH	lch(86.40, 76.50, 98.18°)
OKLab	oklab(87.91% -0.0384 0.1653)
OKLCH	oklch(87.91% 0.17 103.1)
XYZ	xyz(60.6649, 68.7939, 13.9532)
Luminance	0.6879 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#ECDB39 #394AEC

analogous

#EC8239 #ECDB39 #A3EC39

triadic

#ECDB39 #39ECDB #DB39EC

tetradic

#ECDB39 #39EC82 #394AEC #EC39A3

square

#ECDB39 #39EC82 #394AEC #EC39A3

split-complementary

#ECDB39 #39A3EC #8239EC

monochromatic

#9C8E0F #D4C114 #ECDB39 #F1E571 #F7EFA9

Accessibility & contrast

On white

1.42

#ECDB39 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

14.76

#ECDB39 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #ECDB39

14.76:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##ECDB39	#FFFFFF	#000000	##000000
##ECDB39	1.00	1.42	14.76	14.76
#FFFFFF	1.42	1.00	21.00	21.00
#000000	14.76	21.00	1.00	1.00
##000000	14.76	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#EFD411

Deuteranopia (green-blind)

#F4DC45

Tritanopia (blue-blind)

#FECBBD

Achromatopsia (no color)

#D8D8D8

Design tokens & code

CSS

--color: #ecdb39;
/* rgb */ color: rgb(236, 219, 57);
/* oklch */ color: oklch(87.9% 0.170 103.1);

Tailwind

colors: {
  custom: {
    50: '#f6e57c',
    500: '#ecdb39',
    950: '#000000',
  },
}

SCSS

$custom: #ecdb39;
$custom-light: #f6e57c;
$custom-dark: #000000;

JSON

{
  "hex": "#ecdb39",
  "rgb": {
    "r": 236,
    "g": 219,
    "b": 57
  },
  "hsl": {
    "h": 54.302,
    "s": 82.488,
    "l": 57.451
  },
  "oklch": {
    "l": 0.87906,
    "c": 0.16973,
    "h": 103.1
  },
  "luminance": 0.68791
}

Semantic roles & 50–950 ramp

primary

#ECDB39

secondary

#2B369F

accent

#42F92F

background

#FFFEFB

surface

#FFFCF2

border

#D7D5CC

text

#18150A

muted

#86847D

Preview Lab

Preview with #ECDB39

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

Preview Lab → · Contrast checker → · Palette generator →