#ECE37F#ECE37F

#ECE37F is a very light, vivid yellow. Relative luminance 0.743; OKLCH L 90.2% C 0.122 H 104.0°. Best body text is #000000 at 15.86:1 contrast (WCAG AA passes).

Color values

HEX	#ECE37F
RGB	rgb(236, 227, 127)
HSL	hsl(55, 74%, 71%)
HSV	hsv(55, 46%, 93%)
CMYK	cmyk(0%, 3.8%, 46.2%, 7.5%)
CIE-LAB	lab(89.07, -10.35, 49.65)
CIE-LCH	lch(89.07, 50.72, 101.77°)
OKLab	oklab(90.22% -0.0297 0.1188)
OKLCH	oklch(90.22% 0.122 104)
XYZ	xyz(65.8935, 74.3053, 30.9458)
Luminance	0.7430 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#ECE37F #7F88EC

analogous

#ECAC7F #ECE37F #BEEC7F

triadic

#ECE37F #7FECE3 #E37FEC

tetradic

#ECE37F #7FECAC #7F88EC #EC7FBE

square

#ECE37F #7FECAC #7F88EC #EC7FBE

split-complementary

#ECE37F #7FBEEC #AC7FEC

monochromatic

#D2C31F #E4D74A #ECE37F #F4EFB4 #FBF9E4

Accessibility & contrast

On white

1.32

#ECE37F on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

15.86

#ECE37F on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #ECE37F

15.86:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##ECE37F	#FFFFFF	#000000	##000000
##ECE37F	1.00	1.32	15.86	15.86
#FFFFFF	1.32	1.00	21.00	21.00
#000000	15.86	21.00	1.00	1.00
##000000	15.86	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#F3DD77

Deuteranopia (green-blind)

#F6E283

Tritanopia (blue-blind)

#FAD7CB

Achromatopsia (no color)

#E0E0E0

Design tokens & code

CSS

--color: #ece37f;
/* rgb */ color: rgb(236, 227, 127);
/* oklch */ color: oklch(90.2% 0.122 104.0);

Tailwind

colors: {
  custom: {
    50: '#f4eba6',
    500: '#ece37f',
    950: '#000000',
  },
}

SCSS

$custom: #ece37f;
$custom-light: #f4eba6;
$custom-dark: #000000;

JSON

{
  "hex": "#ece37f",
  "rgb": {
    "r": 236,
    "g": 227,
    "b": 127
  },
  "hsl": {
    "h": 55.046,
    "s": 74.15,
    "l": 71.176
  },
  "oklch": {
    "l": 0.90215,
    "c": 0.12247,
    "h": 104
  },
  "luminance": 0.74303
}

Semantic roles & 50–950 ramp

primary

#ECE37F

secondary

#4A54C6

accent

#20D60F

background

#FFFEFC

surface

#FFFDF6

border

#D7D5D0

text

#17160F

muted

#858480

Preview Lab

Preview with #ECE37F

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

Preview Lab → · Contrast checker → · Palette generator →