#E1EF5B#E1EF5B

#E1EF5B is a very light, vivid yellow. Relative luminance 0.785; OKLCH L 91.4% C 0.169 H 114.4°. Best body text is #000000 at 16.70:1 contrast (WCAG AA passes).

Color values

HEX	#E1EF5B
RGB	rgb(225, 239, 91)
HSL	hsl(66, 82%, 65%)
HSV	hsv(66, 62%, 94%)
CMYK	cmyk(5.9%, 0%, 61.9%, 6.3%)
CIE-LAB	lab(91.01, -23.43, 67.70)
CIE-LCH	lch(91.01, 71.64, 109.09°)
OKLab	oklab(91.44% -0.0698 0.1542)
OKLCH	oklch(91.44% 0.169 114.4)
XYZ	xyz(63.8077, 78.4970, 21.6856)
Luminance	0.7850 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#E1EF5B #695BEF

analogous

#EFB35B #E1EF5B #97EF5B

triadic

#E1EF5B #5BE1EF #EF5BE1

tetradic

#E1EF5B #5BEFB3 #695BEF #EF5B97

square

#E1EF5B #5BEFB3 #695BEF #EF5B97

split-complementary

#E1EF5B #5B97EF #B35BEF

monochromatic

#ADBD12 #D7EA23 #E1EF5B #EBF493 #F5FACB

Accessibility & contrast

On white

1.26

#E1EF5B on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

16.70

#E1EF5B on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #E1EF5B

16.70:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##E1EF5B	#FFFFFF	#000000	##000000
##E1EF5B	1.00	1.26	16.70	16.70
#FFFFFF	1.26	1.00	21.00	21.00
#000000	16.70	21.00	1.00	1.00
##000000	16.70	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#FFE448

Deuteranopia (green-blind)

#FFE765

Tritanopia (blue-blind)

#EFE2D0

Achromatopsia (no color)

#E5E5E5

Design tokens & code

CSS

--color: #e1ef5b;
/* rgb */ color: rgb(225, 239, 91);
/* oklch */ color: oklch(91.4% 0.169 114.4);

Tailwind

colors: {
  custom: {
    50: '#edf490',
    500: '#e1ef5b',
    950: '#000000',
  },
}

SCSS

$custom: #e1ef5b;
$custom-light: #edf490;
$custom-dark: #000000;

JSON

{
  "hex": "#e1ef5b",
  "rgb": {
    "r": 225,
    "g": 239,
    "b": 91
  },
  "hsl": {
    "h": 65.676,
    "s": 82.222,
    "l": 64.706
  },
  "oklch": {
    "l": 0.91439,
    "c": 0.16927,
    "h": 114.4
  },
  "luminance": 0.78496
}

Semantic roles & 50–950 ramp

primary

#E1EF5B

secondary

#4033BC

accent

#07DF1B

background

#FFFFFC

surface

#FEFEF4

border

#D6D6CE

text

#17170D

muted

#85857F

Preview Lab

Preview with #E1EF5B

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

Preview Lab → · Contrast checker → · Palette generator →