#ECE45B#ECE45B

#ECE45B is a very light, vivid yellow. Relative luminance 0.741; OKLCH L 90.0% C 0.156 H 106.0°. Best body text is #000000 at 15.82:1 contrast (WCAG AA passes).

Color values

HEX	#ECE45B
RGB	rgb(236, 228, 91)
HSL	hsl(57, 79%, 64%)
HSV	hsv(57, 61%, 93%)
CMYK	cmyk(0%, 3.4%, 61.4%, 7.5%)
CIE-LAB	lab(88.96, -13.65, 65.76)
CIE-LCH	lch(88.96, 67.16, 101.73°)
OKLab	oklab(90.01% -0.0428 0.1499)
OKLCH	oklch(90.01% 0.156 106)
XYZ	xyz(64.2260, 74.0771, 20.8107)
Luminance	0.7408 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#ECE45B #5B63EC

analogous

#EC9C5B #ECE45B #ABEC5B

triadic

#ECE45B #5BECE4 #E45BEC

tetradic

#ECE45B #5BEC9C #5B63EC #EC5BAB

square

#ECE45B #5BEC9C #5B63EC #EC5BAB

split-complementary

#ECE45B #5BABEC #9C5BEC

monochromatic

#B7AE15 #E6DB24 #ECE45B #F2ED92 #F9F6C9

Accessibility & contrast

On white

1.33

#ECE45B on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

15.82

#ECE45B on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #ECE45B

15.82:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##ECE45B	#FFFFFF	#000000	##000000
##ECE45B	1.00	1.33	15.82	15.82
#FFFFFF	1.33	1.00	21.00	21.00
#000000	15.82	21.00	1.00	1.00
##000000	15.82	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#F6DC4B

Deuteranopia (green-blind)

#FAE263

Tritanopia (blue-blind)

#FCD6C7

Achromatopsia (no color)

#DFDFDF

Design tokens & code

CSS

--color: #ece45b;
/* rgb */ color: rgb(236, 228, 91);
/* oklch */ color: oklch(90.0% 0.156 106.0);

Tailwind

colors: {
  custom: {
    50: '#f5ec8f',
    500: '#ece45b',
    950: '#000000',
  },
}

SCSS

$custom: #ece45b;
$custom-light: #f5ec8f;
$custom-dark: #000000;

JSON

{
  "hex": "#ece45b",
  "rgb": {
    "r": 236,
    "g": 228,
    "b": 91
  },
  "hsl": {
    "h": 56.69,
    "s": 79.235,
    "l": 64.118
  },
  "oklch": {
    "l": 0.90011,
    "c": 0.15585,
    "h": 106
  },
  "luminance": 0.74075
}

Semantic roles & 50–950 ramp

primary

#ECE45B

secondary

#343CB7

accent

#16DC0A

background

#FFFEFC

surface

#FFFDF4

border

#D7D5CE

text

#17160D

muted

#85847F

Preview Lab

Preview with #ECE45B

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

Preview Lab → · Contrast checker → · Palette generator →