#E5EF59#E5EF59

#E5EF59 is a very light, vivid yellow. Relative luminance 0.791; OKLCH L 91.7% C 0.170 H 112.9°. Best body text is #000000 at 16.82:1 contrast (WCAG AA passes).

Color values

HEX	#E5EF59
RGB	rgb(229, 239, 89)
HSL	hsl(64, 82%, 64%)
HSV	hsv(64, 63%, 94%)
CMYK	cmyk(4.2%, 0%, 62.8%, 6.3%)
CIE-LAB	lab(91.29, -21.96, 68.88)
CIE-LCH	lch(91.29, 72.30, 107.68°)
OKLab	oklab(91.73% -0.0661 0.1563)
OKLCH	oklch(91.73% 0.17 112.9)
XYZ	xyz(64.9845, 79.1136, 21.2964)
Luminance	0.7911 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#E5EF59 #6359EF

analogous

#EFAE59 #E5EF59 #9AEF59

triadic

#E5EF59 #59E5EF #EF59E5

tetradic

#E5EF59 #59EFAE #6359EF #EF599A

square

#E5EF59 #59EFAE #6359EF #EF599A

split-complementary

#E5EF59 #599AEF #AE59EF

monochromatic

#B0BC12 #DCEA21 #E5EF59 #EEF491 #F6FAC9

Accessibility & contrast

On white

1.25

#E5EF59 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

16.82

#E5EF59 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #E5EF59

16.82:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##E5EF59	#FFFFFF	#000000	##000000
##E5EF59	1.00	1.25	16.82	16.82
#FFFFFF	1.25	1.00	21.00	21.00
#000000	16.82	21.00	1.00	1.00
##000000	16.82	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#FFE446

Deuteranopia (green-blind)

#FFE863

Tritanopia (blue-blind)

#F3E2D0

Achromatopsia (no color)

#E6E6E6

Design tokens & code

CSS

--color: #e5ef59;
/* rgb */ color: rgb(229, 239, 89);
/* oklch */ color: oklch(91.7% 0.170 112.9);

Tailwind

colors: {
  custom: {
    50: '#f0f48f',
    500: '#e5ef59',
    950: '#000000',
  },
}

SCSS

$custom: #e5ef59;
$custom-light: #f0f48f;
$custom-dark: #000000;

JSON

{
  "hex": "#e5ef59",
  "rgb": {
    "r": 229,
    "g": 239,
    "b": 89
  },
  "hsl": {
    "h": 64,
    "s": 82.418,
    "l": 64.314
  },
  "oklch": {
    "l": 0.91731,
    "c": 0.16974,
    "h": 112.9
  },
  "luminance": 0.79112
}

Semantic roles & 50–950 ramp

primary

#E5EF59

secondary

#3B32BA

accent

#07DF15

background

#FFFFFC

surface

#FFFEF4

border

#D7D6CE

text

#17170D

muted

#85857F

Preview Lab

Preview with #E5EF59

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

Preview Lab → · Contrast checker → · Palette generator →