#E5EF63#E5EF63

#E5EF63 is a very light, vivid yellow. Relative luminance 0.793; OKLCH L 91.8% C 0.162 H 113.0°. Best body text is #000000 at 16.86:1 contrast (WCAG AA passes).

Color values

HEX	#E5EF63
RGB	rgb(229, 239, 99)
HSL	hsl(64, 81%, 66%)
HSV	hsv(64, 59%, 94%)
CMYK	cmyk(4.2%, 0%, 58.6%, 6.3%)
CIE-LAB	lab(91.37, -21.30, 64.88)
CIE-LCH	lch(91.37, 68.28, 108.17°)
OKLab	oklab(91.82% -0.0632 0.1492)
OKLCH	oklch(91.82% 0.162 113)
XYZ	xyz(65.4333, 79.2931, 23.6601)
Luminance	0.7929 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#E5EF63 #6D63EF

analogous

#EFB363 #E5EF63 #9FEF63

triadic

#E5EF63 #63E5EF #EF63E5

tetradic

#E5EF63 #63EFB3 #6D63EF #EF639F

square

#E5EF63 #63EFB3 #6D63EF #EF639F

split-complementary

#E5EF63 #639FEF #B363EF

monochromatic

#B7C414 #DCE92B #E5EF63 #EEF59B #F8FAD2

Accessibility & contrast

On white

1.25

#E5EF63 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

16.86

#E5EF63 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #E5EF63

16.86:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##E5EF63	#FFFFFF	#000000	##000000
##E5EF63	1.00	1.25	16.86	16.86
#FFFFFF	1.25	1.00	21.00	21.00
#000000	16.86	21.00	1.00	1.00
##000000	16.86	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#FFE553

Deuteranopia (green-blind)

#FFE86C

Tritanopia (blue-blind)

#F3E2D1

Achromatopsia (no color)

#E6E6E6

Design tokens & code

CSS

--color: #e5ef63;
/* rgb */ color: rgb(229, 239, 99);
/* oklch */ color: oklch(91.8% 0.162 113.0);

Tailwind

colors: {
  custom: {
    50: '#f0f494',
    500: '#e5ef63',
    950: '#000000',
  },
}

SCSS

$custom: #e5ef63;
$custom-light: #f0f494;
$custom-dark: #000000;

JSON

{
  "hex": "#e5ef63",
  "rgb": {
    "r": 229,
    "g": 239,
    "b": 99
  },
  "hsl": {
    "h": 64.286,
    "s": 81.395,
    "l": 66.275
  },
  "oklch": {
    "l": 0.91822,
    "c": 0.16203,
    "h": 113
  },
  "luminance": 0.79292
}

Semantic roles & 50–950 ramp

primary

#E5EF63

secondary

#3F35C1

accent

#08DE17

background

#FFFFFC

surface

#FEFEF5

border

#D6D6CF

text

#17170E

muted

#85857F

Preview Lab

Preview with #E5EF63

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

Preview Lab → · Contrast checker → · Palette generator →