#E4E63B#E4E63B

#E4E63B is a very light, vivid yellow. Relative luminance 0.734; OKLCH L 89.5% C 0.180 H 110.2°. Best body text is #000000 at 15.68:1 contrast (WCAG AA passes).

Color values

HEX	#E4E63B
RGB	rgb(228, 230, 59)
HSL	hsl(61, 77%, 57%)
HSV	hsv(61, 74%, 90%)
CMYK	cmyk(0.9%, 0%, 74.3%, 9.8%)
CIE-LAB	lab(88.64, -19.55, 76.92)
CIE-LCH	lch(88.64, 79.37, 104.26°)
OKLab	oklab(89.54% -0.0621 0.1685)
OKLCH	oklch(89.54% 0.18 110.2)
XYZ	xyz(61.0834, 73.4051, 15.0878)
Luminance	0.7340 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#E4E63B #3D3BE6

analogous

#E6933B #E4E63B #8FE63B

triadic

#E4E63B #3BE4E6 #E63BE4

tetradic

#E4E63B #3BE693 #3D3BE6 #E63B8F

square

#E4E63B #3BE693 #3D3BE6 #E63B8F

split-complementary

#E4E63B #3B8FE6 #933BE6

monochromatic

#929413 #C8CA1A #E4E63B #EBED71 #F3F4A8

Accessibility & contrast

On white

1.34

#E4E63B on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

15.68

#E4E63B on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #E4E63B

15.68:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##E4E63B	#FFFFFF	#000000	##000000
##E4E63B	1.00	1.34	15.68	15.68
#FFFFFF	1.34	1.00	21.00	21.00
#000000	15.68	21.00	1.00	1.00
##000000	15.68	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#F8DC0F

Deuteranopia (green-blind)

#FAE149

Tritanopia (blue-blind)

#F4D7C6

Achromatopsia (no color)

#DEDEDE

Design tokens & code

CSS

--color: #e4e63b;
/* rgb */ color: rgb(228, 230, 59);
/* oklch */ color: oklch(89.5% 0.180 110.2);

Tailwind

colors: {
  custom: {
    50: '#f1ed7e',
    500: '#e4e63b',
    950: '#000000',
  },
}

SCSS

$custom: #e4e63b;
$custom-light: #f1ed7e;
$custom-dark: #000000;

JSON

{
  "hex": "#e4e63b",
  "rgb": {
    "r": 228,
    "g": 230,
    "b": 59
  },
  "hsl": {
    "h": 60.702,
    "s": 77.376,
    "l": 56.667
  },
  "oklch": {
    "l": 0.89537,
    "c": 0.1796,
    "h": 110.2
  },
  "luminance": 0.73403
}

Semantic roles & 50–950 ramp

primary

#E4E63B

secondary

#2E2D98

accent

#34F436

background

#FFFEFB

surface

#FFFDF2

border

#D7D5CC

text

#17160B

muted

#85847E

Preview Lab

Preview with #E4E63B

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

Preview Lab → · Contrast checker → · Palette generator →