#E4EC5B#E4EC5B

#E4EC5B is a very light, vivid yellow. Relative luminance 0.772; OKLCH L 91.0% C 0.165 H 112.2°. Best body text is #000000 at 16.45:1 contrast (WCAG AA passes).

Color values

HEX	#E4EC5B
RGB	rgb(228, 236, 91)
HSL	hsl(63, 79%, 64%)
HSV	hsv(63, 61%, 93%)
CMYK	cmyk(3.4%, 0%, 61.4%, 7.5%)
CIE-LAB	lab(90.43, -20.79, 67.15)
CIE-LCH	lch(90.43, 70.30, 107.20°)
OKLab	oklab(91.04% -0.0626 0.153)
OKLCH	oklch(91.04% 0.165 112.2)
XYZ	xyz(63.8804, 77.2416, 21.4395)
Luminance	0.7724 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#E4EC5B #635BEC

analogous

#ECAB5B #E4EC5B #9CEC5B

triadic

#E4EC5B #5BE4EC #EC5BE4

tetradic

#E4EC5B #5BECAB #635BEC #EC5B9C

square

#E4EC5B #5BECAB #635BEC #EC5B9C

split-complementary

#E4EC5B #5B9CEC #AB5BEC

monochromatic

#AEB715 #DBE624 #E4EC5B #EDF292 #F6F9C9

Accessibility & contrast

On white

1.28

#E4EC5B on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

16.45

#E4EC5B on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #E4EC5B

16.45:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##E4EC5B	#FFFFFF	#000000	##000000
##E4EC5B	1.00	1.28	16.45	16.45
#FFFFFF	1.28	1.00	21.00	21.00
#000000	16.45	21.00	1.00	1.00
##000000	16.45	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#FDE249

Deuteranopia (green-blind)

#FDE564

Tritanopia (blue-blind)

#F2DFCE

Achromatopsia (no color)

#E4E4E4

Design tokens & code

CSS

--color: #e4ec5b;
/* rgb */ color: rgb(228, 236, 91);
/* oklch */ color: oklch(91.0% 0.165 112.2);

Tailwind

colors: {
  custom: {
    50: '#eff290',
    500: '#e4ec5b',
    950: '#000000',
  },
}

SCSS

$custom: #e4ec5b;
$custom-light: #eff290;
$custom-dark: #000000;

JSON

{
  "hex": "#e4ec5b",
  "rgb": {
    "r": 228,
    "g": 236,
    "b": 91
  },
  "hsl": {
    "h": 63.31,
    "s": 79.235,
    "l": 64.118
  },
  "oklch": {
    "l": 0.91035,
    "c": 0.16529,
    "h": 112.2
  },
  "luminance": 0.7724
}

Semantic roles & 50–950 ramp

primary

#E4EC5B

secondary

#3C34B7

accent

#0ADC16

background

#FFFFFC

surface

#FEFEF4

border

#D6D6CE

text

#17160D

muted

#85857F

Preview Lab

Preview with #E4EC5B

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

Preview Lab → · Contrast checker → · Palette generator →