#ECE35B#ECE35B

#ECE35B is a very light, vivid yellow. Relative luminance 0.735; OKLCH L 89.8% C 0.155 H 105.5°. Best body text is #000000 at 15.71:1 contrast (WCAG AA passes).

Color values

HEX	#ECE35B
RGB	rgb(236, 227, 91)
HSL	hsl(56, 79%, 64%)
HSV	hsv(56, 61%, 93%)
CMYK	cmyk(0%, 3.8%, 61.4%, 7.5%)
CIE-LAB	lab(88.70, -13.15, 65.48)
CIE-LCH	lch(88.70, 66.79, 101.36°)
OKLab	oklab(89.81% -0.0414 0.1493)
OKLCH	oklch(89.81% 0.155 105.5)
XYZ	xyz(63.9517, 73.5285, 20.7192)
Luminance	0.7353 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#ECE35B #5B64EC

analogous

#EC9B5B #ECE35B #ADEC5B

triadic

#ECE35B #5BECE3 #E35BEC

tetradic

#ECE35B #5BEC9B #5B64EC #EC5BAD

square

#ECE35B #5BEC9B #5B64EC #EC5BAD

split-complementary

#ECE35B #5BADEC #9B5BEC

monochromatic

#B7AD15 #E6DA24 #ECE35B #F2EC92 #F9F6C9

Accessibility & contrast

On white

1.34

#ECE35B on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

15.71

#ECE35B on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #ECE35B

15.71:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##ECE35B	#FFFFFF	#000000	##000000
##ECE35B	1.00	1.34	15.71	15.71
#FFFFFF	1.34	1.00	21.00	21.00
#000000	15.71	21.00	1.00	1.00
##000000	15.71	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#F5DB4B

Deuteranopia (green-blind)

#F9E163

Tritanopia (blue-blind)

#FCD5C6

Achromatopsia (no color)

#DFDFDF

Design tokens & code

CSS

--color: #ece35b;
/* rgb */ color: rgb(236, 227, 91);
/* oklch */ color: oklch(89.8% 0.155 105.5);

Tailwind

colors: {
  custom: {
    50: '#f5eb8f',
    500: '#ece35b',
    950: '#000000',
  },
}

SCSS

$custom: #ece35b;
$custom-light: #f5eb8f;
$custom-dark: #000000;

JSON

{
  "hex": "#ece35b",
  "rgb": {
    "r": 236,
    "g": 227,
    "b": 91
  },
  "hsl": {
    "h": 56.276,
    "s": 79.235,
    "l": 64.118
  },
  "oklch": {
    "l": 0.89805,
    "c": 0.15491,
    "h": 105.5
  },
  "luminance": 0.73526
}

Semantic roles & 50–950 ramp

primary

#ECE35B

secondary

#343CB7

accent

#17DC0A

background

#FFFEFC

surface

#FFFDF4

border

#D7D5CE

text

#18160D

muted

#86847F

Preview Lab

Preview with #ECE35B

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

Preview Lab → · Contrast checker → · Palette generator →