#ECDA39#ECDA39

#ECDA39 is a very light, vivid yellow. Relative luminance 0.683; OKLCH L 87.7% C 0.169 H 102.7°. Best body text is #000000 at 14.65:1 contrast (WCAG AA passes).

Color values

HEX	#ECDA39
RGB	rgb(236, 218, 57)
HSL	hsl(54, 82%, 57%)
HSV	hsv(54, 76%, 93%)
CMYK	cmyk(0%, 7.6%, 75.8%, 7.5%)
CIE-LAB	lab(86.14, -10.39, 75.49)
CIE-LCH	lch(86.14, 76.20, 97.84°)
OKLab	oklab(87.7% -0.037 0.1648)
OKLCH	oklch(87.7% 0.169 102.7)
XYZ	xyz(60.4048, 68.2737, 13.8665)
Luminance	0.6827 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#ECDA39 #394BEC

analogous

#EC8039 #ECDA39 #A5EC39

triadic

#ECDA39 #39ECDA #DA39EC

tetradic

#ECDA39 #39EC80 #394BEC #EC39A5

square

#ECDA39 #39EC80 #394BEC #EC39A5

split-complementary

#ECDA39 #39A5EC #8039EC

monochromatic

#9C8E0F #D4C014 #ECDA39 #F1E471 #F7EFA9

Accessibility & contrast

On white

1.43

#ECDA39 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

14.65

#ECDA39 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #ECDA39

14.65:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##ECDA39	#FFFFFF	#000000	##000000
##ECDA39	1.00	1.43	14.65	14.65
#FFFFFF	1.43	1.00	21.00	21.00
#000000	14.65	21.00	1.00	1.00
##000000	14.65	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#EED312

Deuteranopia (green-blind)

#F4DB45

Tritanopia (blue-blind)

#FECABC

Achromatopsia (no color)

#D7D7D7

Design tokens & code

CSS

--color: #ecda39;
/* rgb */ color: rgb(236, 218, 57);
/* oklch */ color: oklch(87.7% 0.169 102.7);

Tailwind

colors: {
  custom: {
    50: '#f6e57c',
    500: '#ecda39',
    950: '#000000',
  },
}

SCSS

$custom: #ecda39;
$custom-light: #f6e57c;
$custom-dark: #000000;

JSON

{
  "hex": "#ecda39",
  "rgb": {
    "r": 236,
    "g": 218,
    "b": 57
  },
  "hsl": {
    "h": 53.966,
    "s": 82.488,
    "l": 57.451
  },
  "oklch": {
    "l": 0.877,
    "c": 0.16892,
    "h": 102.7
  },
  "luminance": 0.68271
}

Semantic roles & 50–950 ramp

primary

#ECDA39

secondary

#2B369F

accent

#43F92F

background

#FFFEFB

surface

#FFFCF2

border

#D7D5CC

text

#18150A

muted

#86847D

Preview Lab

Preview with #ECDA39

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

Preview Lab → · Contrast checker → · Palette generator →