#ECE37C#ECE37C

#ECE37C is a very light, vivid yellow. Relative luminance 0.742; OKLCH L 90.2% C 0.125 H 104.2°. Best body text is #000000 at 15.85:1 contrast (WCAG AA passes).

Color values

HEX	#ECE37C
RGB	rgb(236, 227, 124)
HSL	hsl(55, 75%, 71%)
HSV	hsv(55, 47%, 93%)
CMYK	cmyk(0%, 3.8%, 47.5%, 7.5%)
CIE-LAB	lab(89.03, -10.62, 51.04)
CIE-LCH	lch(89.03, 52.14, 101.76°)
OKLab	oklab(90.18% -0.0307 0.1217)
OKLCH	oklch(90.18% 0.125 104.2)
XYZ	xyz(65.7009, 74.2282, 29.9314)
Luminance	0.7423 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#ECE37C #7C85EC

analogous

#ECAB7C #ECE37C #BDEC7C

triadic

#ECE37C #7CECE3 #E37CEC

tetradic

#ECE37C #7CECAB #7C85EC #EC7CBD

square

#ECE37C #7CECAB #7C85EC #EC7CBD

split-complementary

#ECE37C #7CBDEC #AB7CEC

monochromatic

#D0C11E #E4D847 #ECE37C #F4EEB1 #FBF9E4

Accessibility & contrast

On white

1.33

#ECE37C on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

15.85

#ECE37C on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #ECE37C

15.85:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##ECE37C	#FFFFFF	#000000	##000000
##ECE37C	1.00	1.33	15.85	15.85
#FFFFFF	1.33	1.00	21.00	21.00
#000000	15.85	21.00	1.00	1.00
##000000	15.85	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#F3DD73

Deuteranopia (green-blind)

#F6E281

Tritanopia (blue-blind)

#FAD7CB

Achromatopsia (no color)

#E0E0E0

Design tokens & code

CSS

--color: #ece37c;
/* rgb */ color: rgb(236, 227, 124);
/* oklch */ color: oklch(90.2% 0.125 104.2);

Tailwind

colors: {
  custom: {
    50: '#f4eba4',
    500: '#ece37c',
    950: '#000000',
  },
}

SCSS

$custom: #ece37c;
$custom-light: #f4eba4;
$custom-dark: #000000;

JSON

{
  "hex": "#ece37c",
  "rgb": {
    "r": 236,
    "g": 227,
    "b": 124
  },
  "hsl": {
    "h": 55.179,
    "s": 74.667,
    "l": 70.588
  },
  "oklch": {
    "l": 0.90175,
    "c": 0.12549,
    "h": 104.2
  },
  "luminance": 0.74226
}

Semantic roles & 50–950 ramp

primary

#ECE37C

secondary

#4751C5

accent

#1FD70F

background

#FFFEFC

surface

#FFFDF6

border

#D7D5D0

text

#17160F

muted

#858480

Preview Lab

Preview with #ECE37C

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

Preview Lab → · Contrast checker → · Palette generator →