#E5EC66#E5EC66

#E5EC66 is a very light, vivid yellow. Relative luminance 0.776; OKLCH L 91.2% C 0.156 H 111.9°. Best body text is #000000 at 16.52:1 contrast (WCAG AA passes).

Color values

HEX	#E5EC66
RGB	rgb(229, 236, 102)
HSL	hsl(63, 78%, 66%)
HSV	hsv(63, 57%, 93%)
CMYK	cmyk(3%, 0%, 56.8%, 7.5%)
CIE-LAB	lab(90.60, -19.63, 62.75)
CIE-LCH	lch(90.60, 65.75, 107.37°)
OKLab	oklab(91.22% -0.0582 0.145)
OKLCH	oklch(91.22% 0.156 111.9)
XYZ	xyz(64.7084, 77.6096, 24.1392)
Luminance	0.7761 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#E5EC66 #6D66EC

analogous

#ECB066 #E5EC66 #A2EC66

triadic

#E5EC66 #66E5EC #EC66E5

tetradic

#E5EC66 #66ECB0 #6D66EC #EC66A2

square

#E5EC66 #66ECB0 #6D66EC #EC66A2

split-complementary

#E5EC66 #66A2EC #B066EC

monochromatic

#B7C018 #DCE530 #E5EC66 #EEF39C #F8FAD3

Accessibility & contrast

On white

1.27

#E5EC66 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

16.52

#E5EC66 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #E5EC66

16.52:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##E5EC66	#FFFFFF	#000000	##000000
##E5EC66	1.00	1.27	16.52	16.52
#FFFFFF	1.27	1.00	21.00	21.00
#000000	16.52	21.00	1.00	1.00
##000000	16.52	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#FCE257

Deuteranopia (green-blind)

#FDE66E

Tritanopia (blue-blind)

#F3DFCF

Achromatopsia (no color)

#E4E4E4

Design tokens & code

CSS

--color: #e5ec66;
/* rgb */ color: rgb(229, 236, 102);
/* oklch */ color: oklch(91.2% 0.156 111.9);

Tailwind

colors: {
  custom: {
    50: '#f0f296',
    500: '#e5ec66',
    950: '#000000',
  },
}

SCSS

$custom: #e5ec66;
$custom-light: #f0f296;
$custom-dark: #000000;

JSON

{
  "hex": "#e5ec66",
  "rgb": {
    "r": 229,
    "g": 236,
    "b": 102
  },
  "hsl": {
    "h": 63.134,
    "s": 77.907,
    "l": 66.275
  },
  "oklch": {
    "l": 0.91219,
    "c": 0.15628,
    "h": 111.9
  },
  "luminance": 0.77608
}

Semantic roles & 50–950 ramp

primary

#E5EC66

secondary

#3F38BE

accent

#0BDA16

background

#FFFFFC

surface

#FEFEF5

border

#D6D6CF

text

#17160E

muted

#85857F

Preview Lab

Preview with #E5EC66

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

Preview Lab → · Contrast checker → · Palette generator →