#ECDE59#ECDE59

#ECDE59 is a very light, vivid yellow. Relative luminance 0.708; OKLCH L 88.8% C 0.152 H 103.3°. Best body text is #000000 at 15.16:1 contrast (WCAG AA passes).

Color values

HEX	#ECDE59
RGB	rgb(236, 222, 89)
HSL	hsl(54, 79%, 64%)
HSV	hsv(54, 62%, 93%)
CMYK	cmyk(0%, 5.9%, 62.3%, 7.5%)
CIE-LAB	lab(87.39, -10.80, 64.90)
CIE-LCH	lch(87.39, 65.80, 99.44°)
OKLab	oklab(88.76% -0.0349 0.1478)
OKLCH	oklch(88.76% 0.152 103.3)
XYZ	xyz(62.5189, 70.7991, 19.8217)
Luminance	0.7080 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#ECDE59 #5967EC

analogous

#EC9459 #ECDE59 #B0EC59

triadic

#ECDE59 #59ECDE #DE59EC

tetradic

#ECDE59 #59EC94 #5967EC #EC59B0

square

#ECDE59 #59EC94 #5967EC #EC59B0

split-complementary

#ECDE59 #59B0EC #9459EC

monochromatic

#B6A615 #E6D322 #ECDE59 #F2E990 #F9F4C7

Accessibility & contrast

On white

1.39

#ECDE59 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

15.16

#ECDE59 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #ECDE59

15.16:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##ECDE59	#FFFFFF	#000000	##000000
##ECDE59	1.00	1.39	15.16	15.16
#FFFFFF	1.39	1.00	21.00	21.00
#000000	15.16	21.00	1.00	1.00
##000000	15.16	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#F1D749

Deuteranopia (green-blind)

#F5DE60

Tritanopia (blue-blind)

#FDD0C2

Achromatopsia (no color)

#DBDBDB

Design tokens & code

CSS

--color: #ecde59;
/* rgb */ color: rgb(236, 222, 89);
/* oklch */ color: oklch(88.8% 0.152 103.3);

Tailwind

colors: {
  custom: {
    50: '#f5e88d',
    500: '#ecde59',
    950: '#000000',
  },
}

SCSS

$custom: #ecde59;
$custom-light: #f5e88d;
$custom-dark: #000000;

JSON

{
  "hex": "#ecde59",
  "rgb": {
    "r": 236,
    "g": 222,
    "b": 89
  },
  "hsl": {
    "h": 54.286,
    "s": 79.459,
    "l": 63.725
  },
  "oklch": {
    "l": 0.88756,
    "c": 0.15184,
    "h": 103.3
  },
  "luminance": 0.70797
}

Semantic roles & 50–950 ramp

primary

#ECDE59

secondary

#3440B5

accent

#1EDC0A

background

#FFFEFC

surface

#FFFCF4

border

#D7D5CE

text

#18160D

muted

#86847F

Preview Lab

Preview with #ECDE59

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

Preview Lab → · Contrast checker → · Palette generator →