#ECDC59#ECDC59

#ECDC59 is a very light, vivid yellow. Relative luminance 0.697; OKLCH L 88.3% C 0.150 H 102.4°. Best body text is #000000 at 14.95:1 contrast (WCAG AA passes).

Color values

HEX	#ECDC59
RGB	rgb(236, 220, 89)
HSL	hsl(53, 79%, 64%)
HSV	hsv(53, 62%, 93%)
CMYK	cmyk(0%, 6.8%, 62.3%, 7.5%)
CIE-LAB	lab(86.87, -9.80, 64.35)
CIE-LCH	lch(86.87, 65.09, 98.66°)
OKLab	oklab(88.35% -0.0321 0.1466)
OKLCH	oklch(88.35% 0.15 102.4)
XYZ	xyz(61.9908, 69.7430, 19.6456)
Luminance	0.6974 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#ECDC59 #5969EC

analogous

#EC9259 #ECDC59 #B2EC59

triadic

#ECDC59 #59ECDC #DC59EC

tetradic

#ECDC59 #59EC92 #5969EC #EC59B2

square

#ECDC59 #59EC92 #5969EC #EC59B2

split-complementary

#ECDC59 #59B2EC #9259EC

monochromatic

#B6A415 #E6D022 #ECDC59 #F2E890 #F9F3C7

Accessibility & contrast

On white

1.40

#ECDC59 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

14.95

#ECDC59 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #ECDC59

14.95:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##ECDC59	#FFFFFF	#000000	##000000
##ECDC59	1.00	1.40	14.95	14.95
#FFFFFF	1.40	1.00	21.00	21.00
#000000	14.95	21.00	1.00	1.00
##000000	14.95	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#EFD549

Deuteranopia (green-blind)

#F4DD60

Tritanopia (blue-blind)

#FDCEC0

Achromatopsia (no color)

#D9D9D9

Design tokens & code

CSS

--color: #ecdc59;
/* rgb */ color: rgb(236, 220, 89);
/* oklch */ color: oklch(88.3% 0.150 102.4);

Tailwind

colors: {
  custom: {
    50: '#f5e68d',
    500: '#ecdc59',
    950: '#000000',
  },
}

SCSS

$custom: #ecdc59;
$custom-light: #f5e68d;
$custom-dark: #000000;

JSON

{
  "hex": "#ecdc59",
  "rgb": {
    "r": 236,
    "g": 220,
    "b": 89
  },
  "hsl": {
    "h": 53.469,
    "s": 79.459,
    "l": 63.725
  },
  "oklch": {
    "l": 0.88346,
    "c": 0.15007,
    "h": 102.4
  },
  "luminance": 0.69741
}

Semantic roles & 50–950 ramp

primary

#ECDC59

secondary

#3442B5

accent

#21DC0A

background

#FFFEFC

surface

#FFFCF4

border

#D7D5CE

text

#18150D

muted

#86847F

Preview Lab

Preview with #ECDC59

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

Preview Lab → · Contrast checker → · Palette generator →