#ECEE63#ECEE63

#ECEE63 is a very light, vivid yellow. Relative luminance 0.799; OKLCH L 92.2% C 0.160 H 109.9°. Best body text is #000000 at 16.98:1 contrast (WCAG AA passes).

Color values

HEX	#ECEE63
RGB	rgb(236, 238, 99)
HSL	hsl(61, 80%, 66%)
HSV	hsv(61, 58%, 93%)
CMYK	cmyk(0.8%, 0%, 58.4%, 6.7%)
CIE-LAB	lab(91.63, -18.02, 65.32)
CIE-LCH	lch(91.63, 67.76, 105.42°)
OKLab	oklab(92.17% -0.0544 0.15)
OKLCH	oklch(92.17% 0.16 109.9)
XYZ	xyz(67.4206, 79.8845, 23.6697)
Luminance	0.7988 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#ECEE63 #6563EE

analogous

#EEAA63 #ECEE63 #A6EE63

triadic

#ECEE63 #63ECEE #EE63EC

tetradic

#ECEE63 #63EEAA #6563EE #EE63A6

square

#ECEE63 #63EEAA #6563EE #EE63A6

split-complementary

#ECEE63 #63A6EE #AA63EE

monochromatic

#BFC215 #E5E82C #ECEE63 #F3F49A #F9FAD1

Accessibility & contrast

On white

1.24

#ECEE63 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

16.98

#ECEE63 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #ECEE63

16.98:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##ECEE63	#FFFFFF	#000000	##000000
##ECEE63	1.00	1.24	16.98	16.98
#FFFFFF	1.24	1.00	21.00	21.00
#000000	16.98	21.00	1.00	1.00
##000000	16.98	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#FFE553

Deuteranopia (green-blind)

#FFE96B

Tritanopia (blue-blind)

#FBE0D0

Achromatopsia (no color)

#E7E7E7

Design tokens & code

CSS

--color: #ecee63;
/* rgb */ color: rgb(236, 238, 99);
/* oklch */ color: oklch(92.2% 0.160 109.9);

Tailwind

colors: {
  custom: {
    50: '#f5f395',
    500: '#ecee63',
    950: '#000000',
  },
}

SCSS

$custom: #ecee63;
$custom-light: #f5f395;
$custom-dark: #000000;

JSON

{
  "hex": "#ecee63",
  "rgb": {
    "r": 236,
    "g": 238,
    "b": 99
  },
  "hsl": {
    "h": 60.863,
    "s": 80.347,
    "l": 66.078
  },
  "oklch": {
    "l": 0.92165,
    "c": 0.15953,
    "h": 109.9
  },
  "luminance": 0.79883
}

Semantic roles & 50–950 ramp

primary

#ECEE63

secondary

#3836C0

accent

#09DD0C

background

#FFFFFC

surface

#FFFEF5

border

#D7D6CF

text

#17170E

muted

#85857F

Preview Lab

Preview with #ECEE63

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

Preview Lab → · Contrast checker → · Palette generator →