#E3EF5B#E3EF5B

#E3EF5B is a very light, vivid yellow. Relative luminance 0.788; OKLCH L 91.6% C 0.169 H 113.6°. Best body text is #000000 at 16.76:1 contrast (WCAG AA passes).

Color values

HEX	#E3EF5B
RGB	rgb(227, 239, 91)
HSL	hsl(65, 82%, 65%)
HSV	hsv(65, 62%, 94%)
CMYK	cmyk(5%, 0%, 61.9%, 6.3%)
CIE-LAB	lab(91.15, -22.63, 67.90)
CIE-LCH	lch(91.15, 71.57, 108.43°)
OKLab	oklab(91.59% -0.0677 0.1546)
OKLCH	oklch(91.59% 0.169 113.6)
XYZ	xyz(64.4350, 78.8204, 21.7150)
Luminance	0.7882 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#E3EF5B #675BEF

analogous

#EFB15B #E3EF5B #99EF5B

triadic

#E3EF5B #5BE3EF #EF5BE3

tetradic

#E3EF5B #5BEFB1 #675BEF #EF5B99

square

#E3EF5B #5BEFB1 #675BEF #EF5B99

split-complementary

#E3EF5B #5B99EF #B15BEF

monochromatic

#AFBD12 #D9EA23 #E3EF5B #EDF493 #F6FACB

Accessibility & contrast

On white

1.25

#E3EF5B on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

16.76

#E3EF5B on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #E3EF5B

16.76:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##E3EF5B	#FFFFFF	#000000	##000000
##E3EF5B	1.00	1.25	16.76	16.76
#FFFFFF	1.25	1.00	21.00	21.00
#000000	16.76	21.00	1.00	1.00
##000000	16.76	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#FFE448

Deuteranopia (green-blind)

#FFE765

Tritanopia (blue-blind)

#F1E2D0

Achromatopsia (no color)

#E6E6E6

Design tokens & code

CSS

--color: #e3ef5b;
/* rgb */ color: rgb(227, 239, 91);
/* oklch */ color: oklch(91.6% 0.169 113.6);

Tailwind

colors: {
  custom: {
    50: '#eff490',
    500: '#e3ef5b',
    950: '#000000',
  },
}

SCSS

$custom: #e3ef5b;
$custom-light: #eff490;
$custom-dark: #000000;

JSON

{
  "hex": "#e3ef5b",
  "rgb": {
    "r": 227,
    "g": 239,
    "b": 91
  },
  "hsl": {
    "h": 64.865,
    "s": 82.222,
    "l": 64.706
  },
  "oklch": {
    "l": 0.91593,
    "c": 0.16876,
    "h": 113.6
  },
  "luminance": 0.78819
}

Semantic roles & 50–950 ramp

primary

#E3EF5B

secondary

#3E33BC

accent

#07DF18

background

#FFFFFC

surface

#FEFEF4

border

#D6D6CE

text

#17170D

muted

#85857F

Preview Lab

Preview with #E3EF5B

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

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