#ECC54D#ECC54D

#ECC54D is a very light, vivid yellow. Relative luminance 0.583; OKLCH L 83.6% C 0.142 H 90.8°. Best body text is #000000 at 12.66:1 contrast (WCAG AA passes).

Color values

HEX	#ECC54D
RGB	rgb(236, 197, 77)
HSL	hsl(45, 81%, 61%)
HSV	hsv(45, 67%, 93%)
CMYK	cmyk(0%, 16.5%, 67.4%, 7.5%)
CIE-LAB	lab(80.91, 1.21, 63.04)
CIE-LCH	lch(80.91, 63.05, 88.90°)
OKLab	oklab(83.59% -0.0019 0.142)
OKLCH	oklch(83.59% 0.142 90.8)
XYZ	xyz(55.9008, 58.3045, 15.3292)
Luminance	0.5830 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#ECC54D #4D74EC

analogous

#EC764D #ECC54D #C4EC4D

triadic

#ECC54D #4DECC5 #C54DEC

tetradic

#ECC54D #4DEC76 #4D74EC #EC4DC4

square

#ECC54D #4DEC76 #4D74EC #EC4DC4

split-complementary

#ECC54D #4DC4EC #764DEC

monochromatic

#AC8612 #E4B218 #ECC54D #F2D784 #F8E9BC

Accessibility & contrast

On white

1.66

#ECC54D on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

12.66

#ECC54D on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #ECC54D

12.66:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##ECC54D	#FFFFFF	#000000	##000000
##ECC54D	1.00	1.66	12.66	12.66
#FFFFFF	1.66	1.00	21.00	21.00
#000000	12.66	21.00	1.00	1.00
##000000	12.66	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#DAC23E

Deuteranopia (green-blind)

#E3CE53

Tritanopia (blue-blind)

#FFB5AC

Achromatopsia (no color)

#C9C9C9

Design tokens & code

CSS

--color: #ecc54d;
/* rgb */ color: rgb(236, 197, 77);
/* oklch */ color: oklch(83.6% 0.142 90.8);

Tailwind

colors: {
  custom: {
    50: '#f6d685',
    500: '#ecc54d',
    950: '#000000',
  },
}

SCSS

$custom: #ecc54d;
$custom-light: #f6d685;
$custom-dark: #000000;

JSON

{
  "hex": "#ecc54d",
  "rgb": {
    "r": 236,
    "g": 197,
    "b": 77
  },
  "hsl": {
    "h": 45.283,
    "s": 80.711,
    "l": 61.373
  },
  "oklch": {
    "l": 0.83594,
    "c": 0.142,
    "h": 90.8
  },
  "luminance": 0.58301
}

Semantic roles & 50–950 ramp

primary

#ECC54D

secondary

#304FAD

accent

#3DDD08

background

#FFFEFB

surface

#FFFBF2

border

#D7D4CC

text

#18140B

muted

#86837E

Preview Lab

Preview with #ECC54D

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

Preview Lab → · Contrast checker → · Palette generator →