#E5EC63#E5EC63

#E5EC63 is a very light, vivid yellow. Relative luminance 0.775; OKLCH L 91.2% C 0.159 H 111.9°. Best body text is #000000 at 16.51:1 contrast (WCAG AA passes).

Color values

HEX	#E5EC63
RGB	rgb(229, 236, 99)
HSL	hsl(63, 78%, 66%)
HSV	hsv(63, 58%, 93%)
CMYK	cmyk(3%, 0%, 58.1%, 7.5%)
CIE-LAB	lab(90.57, -19.85, 64.00)
CIE-LCH	lch(90.57, 67.01, 107.23°)
OKLab	oklab(91.19% -0.0591 0.1473)
OKLCH	oklch(91.19% 0.159 111.9)
XYZ	xyz(64.5623, 77.5512, 23.3698)
Luminance	0.7755 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#E5EC63 #6A63EC

analogous

#ECAF63 #E5EC63 #A0EC63

triadic

#E5EC63 #63E5EC #EC63E5

tetradic

#E5EC63 #63ECAF #6A63EC #EC63A0

square

#E5EC63 #63ECAF #6A63EC #EC63A0

split-complementary

#E5EC63 #63A0EC #AF63EC

monochromatic

#B5BE17 #DCE52C #E5EC63 #EEF39A #F7F9D0

Accessibility & contrast

On white

1.27

#E5EC63 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

16.51

#E5EC63 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #E5EC63

16.51:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##E5EC63	#FFFFFF	#000000	##000000
##E5EC63	1.00	1.27	16.51	16.51
#FFFFFF	1.27	1.00	21.00	21.00
#000000	16.51	21.00	1.00	1.00
##000000	16.51	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#FCE254

Deuteranopia (green-blind)

#FDE66B

Tritanopia (blue-blind)

#F3DFCF

Achromatopsia (no color)

#E4E4E4

Design tokens & code

CSS

--color: #e5ec63;
/* rgb */ color: rgb(229, 236, 99);
/* oklch */ color: oklch(91.2% 0.159 111.9);

Tailwind

colors: {
  custom: {
    50: '#f0f294',
    500: '#e5ec63',
    950: '#000000',
  },
}

SCSS

$custom: #e5ec63;
$custom-light: #f0f294;
$custom-dark: #000000;

JSON

{
  "hex": "#e5ec63",
  "rgb": {
    "r": 229,
    "g": 236,
    "b": 99
  },
  "hsl": {
    "h": 63.066,
    "s": 78.286,
    "l": 65.686
  },
  "oklch": {
    "l": 0.91189,
    "c": 0.15876,
    "h": 111.9
  },
  "luminance": 0.7755
}

Semantic roles & 50–950 ramp

primary

#E5EC63

secondary

#3E37BC

accent

#0BDB16

background

#FFFFFC

surface

#FEFEF5

border

#D6D6CF

text

#17160E

muted

#85857F

Preview Lab

Preview with #E5EC63

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

Preview Lab → · Contrast checker → · Palette generator →