#ECE55F#ECE55F

#ECE55F is a very light, vivid yellow. Relative luminance 0.747; OKLCH L 90.3% C 0.154 H 106.3°. Best body text is #000000 at 15.94:1 contrast (WCAG AA passes).

Color values

HEX	#ECE55F
RGB	rgb(236, 229, 95)
HSL	hsl(57, 79%, 65%)
HSV	hsv(57, 60%, 93%)
CMYK	cmyk(0%, 3%, 59.7%, 7.5%)
CIE-LAB	lab(89.25, -13.88, 64.40)
CIE-LCH	lch(89.25, 65.88, 102.17°)
OKLab	oklab(90.26% -0.0431 0.1475)
OKLCH	oklch(90.26% 0.154 106.3)
XYZ	xyz(64.6791, 74.6998, 21.8357)
Luminance	0.7470 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#ECE55F #5F66EC

analogous

#EC9E5F #ECE55F #ADEC5F

triadic

#ECE55F #5FECE5 #E55FEC

tetradic

#ECE55F #5FEC9E #5F66EC #EC5FAD

square

#ECE55F #5FEC9E #5F66EC #EC5FAD

split-complementary

#ECE55F #5FADEC #9E5FEC

monochromatic

#BAB216 #E6DC28 #ECE55F #F2EE96 #F9F7CC

Accessibility & contrast

On white

1.32

#ECE55F on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

15.94

#ECE55F on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #ECE55F

15.94:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##ECE55F	#FFFFFF	#000000	##000000
##ECE55F	1.00	1.32	15.94	15.94
#FFFFFF	1.32	1.00	21.00	21.00
#000000	15.94	21.00	1.00	1.00
##000000	15.94	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#F7DD50

Deuteranopia (green-blind)

#FAE367

Tritanopia (blue-blind)

#FCD7C8

Achromatopsia (no color)

#E0E0E0

Design tokens & code

CSS

--color: #ece55f;
/* rgb */ color: rgb(236, 229, 95);
/* oklch */ color: oklch(90.3% 0.154 106.3);

Tailwind

colors: {
  custom: {
    50: '#f5ed92',
    500: '#ece55f',
    950: '#000000',
  },
}

SCSS

$custom: #ece55f;
$custom-light: #f5ed92;
$custom-dark: #000000;

JSON

{
  "hex": "#ece55f",
  "rgb": {
    "r": 236,
    "g": 229,
    "b": 95
  },
  "hsl": {
    "h": 57.021,
    "s": 78.771,
    "l": 64.902
  },
  "oklch": {
    "l": 0.90256,
    "c": 0.15368,
    "h": 106.3
  },
  "luminance": 0.74698
}

Semantic roles & 50–950 ramp

primary

#ECE55F

secondary

#363CBA

accent

#15DB0A

background

#FFFEFC

surface

#FFFDF4

border

#D7D5CE

text

#17160D

muted

#85847F

Preview Lab

Preview with #ECE55F

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

Preview Lab → · Contrast checker → · Palette generator →