#E5EF5B#E5EF5B

#E5EF5B is a very light, vivid yellow. Relative luminance 0.791; OKLCH L 91.7% C 0.168 H 112.9°. Best body text is #000000 at 16.83:1 contrast (WCAG AA passes).

Color values

HEX	#E5EF5B
RGB	rgb(229, 239, 91)
HSL	hsl(64, 82%, 65%)
HSV	hsv(64, 62%, 94%)
CMYK	cmyk(4.2%, 0%, 61.9%, 6.3%)
CIE-LAB	lab(91.30, -21.83, 68.10)
CIE-LCH	lch(91.30, 71.51, 107.78°)
OKLab	oklab(91.75% -0.0655 0.155)
OKLCH	oklch(91.75% 0.168 112.9)
XYZ	xyz(65.0696, 79.1477, 21.7448)
Luminance	0.7915 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#E5EF5B #655BEF

analogous

#EFAF5B #E5EF5B #9BEF5B

triadic

#E5EF5B #5BE5EF #EF5BE5

tetradic

#E5EF5B #5BEFAF #655BEF #EF5B9B

square

#E5EF5B #5BEFAF #655BEF #EF5B9B

split-complementary

#E5EF5B #5B9BEF #AF5BEF

monochromatic

#B2BD12 #DCEA23 #E5EF5B #EEF493 #F7FACB

Accessibility & contrast

On white

1.25

#E5EF5B on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

16.83

#E5EF5B on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #E5EF5B

16.83:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##E5EF5B	#FFFFFF	#000000	##000000
##E5EF5B	1.00	1.25	16.83	16.83
#FFFFFF	1.25	1.00	21.00	21.00
#000000	16.83	21.00	1.00	1.00
##000000	16.83	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#FFE448

Deuteranopia (green-blind)

#FFE865

Tritanopia (blue-blind)

#F3E2D0

Achromatopsia (no color)

#E6E6E6

Design tokens & code

CSS

--color: #e5ef5b;
/* rgb */ color: rgb(229, 239, 91);
/* oklch */ color: oklch(91.7% 0.168 112.9);

Tailwind

colors: {
  custom: {
    50: '#f0f490',
    500: '#e5ef5b',
    950: '#000000',
  },
}

SCSS

$custom: #e5ef5b;
$custom-light: #f0f490;
$custom-dark: #000000;

JSON

{
  "hex": "#e5ef5b",
  "rgb": {
    "r": 229,
    "g": 239,
    "b": 91
  },
  "hsl": {
    "h": 64.054,
    "s": 82.222,
    "l": 64.706
  },
  "oklch": {
    "l": 0.91748,
    "c": 0.16826,
    "h": 112.9
  },
  "luminance": 0.79146
}

Semantic roles & 50–950 ramp

primary

#E5EF5B

secondary

#3C33BC

accent

#07DF15

background

#FFFFFC

surface

#FEFEF4

border

#D6D6CE

text

#17170D

muted

#85857F

Preview Lab

Preview with #E5EF5B

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

Preview Lab → · Contrast checker → · Palette generator →