#ECEE5B#ECEE5B

#ECEE5B is a very light, vivid yellow. Relative luminance 0.797; OKLCH L 92.1% C 0.166 H 110.0°. Best body text is #000000 at 16.95:1 contrast (WCAG AA passes).

Color values

HEX	#ECEE5B
RGB	rgb(236, 238, 91)
HSL	hsl(61, 81%, 65%)
HSV	hsv(61, 62%, 93%)
CMYK	cmyk(0.8%, 0%, 61.8%, 6.7%)
CIE-LAB	lab(91.57, -18.54, 68.54)
CIE-LCH	lch(91.57, 71.00, 105.14°)
OKLab	oklab(92.09% -0.0567 0.1557)
OKLCH	oklch(92.09% 0.166 110)
XYZ	xyz(67.0570, 79.7390, 21.7543)
Luminance	0.7974 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#ECEE5B #5D5BEE

analogous

#EEA65B #ECEE5B #A3EE5B

triadic

#ECEE5B #5BECEE #EE5BEC

tetradic

#ECEE5B #5BEEA6 #5D5BEE #EE5BA3

square

#ECEE5B #5BEEA6 #5D5BEE #EE5BA3

split-complementary

#ECEE5B #5BA3EE #A65BEE

monochromatic

#B9BB13 #E6E824 #ECEE5B #F2F492 #F9F9CA

Accessibility & contrast

On white

1.24

#ECEE5B on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

16.95

#ECEE5B on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #ECEE5B

16.95:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##ECEE5B	#FFFFFF	#000000	##000000
##ECEE5B	1.00	1.24	16.95	16.95
#FFFFFF	1.24	1.00	21.00	21.00
#000000	16.95	21.00	1.00	1.00
##000000	16.95	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#FFE448

Deuteranopia (green-blind)

#FFE964

Tritanopia (blue-blind)

#FBE0CF

Achromatopsia (no color)

#E7E7E7

Design tokens & code

CSS

--color: #ecee5b;
/* rgb */ color: rgb(236, 238, 91);
/* oklch */ color: oklch(92.1% 0.166 110.0);

Tailwind

colors: {
  custom: {
    50: '#f5f390',
    500: '#ecee5b',
    950: '#000000',
  },
}

SCSS

$custom: #ecee5b;
$custom-light: #f5f390;
$custom-dark: #000000;

JSON

{
  "hex": "#ecee5b",
  "rgb": {
    "r": 236,
    "g": 238,
    "b": 91
  },
  "hsl": {
    "h": 60.816,
    "s": 81.215,
    "l": 64.51
  },
  "oklch": {
    "l": 0.92091,
    "c": 0.16573,
    "h": 110
  },
  "luminance": 0.79737
}

Semantic roles & 50–950 ramp

primary

#ECEE5B

secondary

#3533BA

accent

#08DE0B

background

#FFFFFC

surface

#FFFEF4

border

#D7D6CE

text

#17170D

muted

#85857F

Preview Lab

Preview with #ECEE5B

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

Preview Lab → · Contrast checker → · Palette generator →