#E4EF59#E4EF59

#E4EF59 is a very light, vivid yellow. Relative luminance 0.789; OKLCH L 91.7% C 0.170 H 113.3°. Best body text is #000000 at 16.79:1 contrast (WCAG AA passes).

Color values

HEX	#E4EF59
RGB	rgb(228, 239, 89)
HSL	hsl(64, 82%, 64%)
HSV	hsv(64, 63%, 94%)
CMYK	cmyk(4.6%, 0%, 62.8%, 6.3%)
CIE-LAB	lab(91.21, -22.36, 68.78)
CIE-LCH	lch(91.21, 72.32, 108.01°)
OKLab	oklab(91.65% -0.0672 0.1562)
OKLCH	oklch(91.65% 0.17 113.3)
XYZ	xyz(64.6663, 78.9495, 21.2815)
Luminance	0.7895 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#E4EF59 #6459EF

analogous

#EFAF59 #E4EF59 #99EF59

triadic

#E4EF59 #59E4EF #EF59E4

tetradic

#E4EF59 #59EFAF #6459EF #EF5999

square

#E4EF59 #59EFAF #6459EF #EF5999

split-complementary

#E4EF59 #5999EF #AF59EF

monochromatic

#AFBC12 #DBEA21 #E4EF59 #EDF491 #F6FAC9

Accessibility & contrast

On white

1.25

#E4EF59 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

16.79

#E4EF59 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #E4EF59

16.79:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##E4EF59	#FFFFFF	#000000	##000000
##E4EF59	1.00	1.25	16.79	16.79
#FFFFFF	1.25	1.00	21.00	21.00
#000000	16.79	21.00	1.00	1.00
##000000	16.79	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#FFE446

Deuteranopia (green-blind)

#FFE763

Tritanopia (blue-blind)

#F2E2D0

Achromatopsia (no color)

#E6E6E6

Design tokens & code

CSS

--color: #e4ef59;
/* rgb */ color: rgb(228, 239, 89);
/* oklch */ color: oklch(91.7% 0.170 113.3);

Tailwind

colors: {
  custom: {
    50: '#f0f48f',
    500: '#e4ef59',
    950: '#000000',
  },
}

SCSS

$custom: #e4ef59;
$custom-light: #f0f48f;
$custom-dark: #000000;

JSON

{
  "hex": "#e4ef59",
  "rgb": {
    "r": 228,
    "g": 239,
    "b": 89
  },
  "hsl": {
    "h": 64.4,
    "s": 82.418,
    "l": 64.314
  },
  "oklch": {
    "l": 0.91653,
    "c": 0.16998,
    "h": 113.3
  },
  "luminance": 0.78948
}

Semantic roles & 50–950 ramp

primary

#E4EF59

secondary

#3C32BA

accent

#07DF17

background

#FFFFFC

surface

#FEFEF4

border

#D6D6CE

text

#17170D

muted

#85857F

Preview Lab

Preview with #E4EF59

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

Preview Lab → · Contrast checker → · Palette generator →