#EDF37B#EDF37B

#EDF37B is a very light, vivid yellow. Relative luminance 0.835; OKLCH L 93.5% C 0.144 H 111.4°. Best body text is #000000 at 17.71:1 contrast (WCAG AA passes).

Color values

HEX	#EDF37B
RGB	rgb(237, 243, 123)
HSL	hsl(63, 83%, 72%)
HSV	hsv(63, 49%, 95%)
CMYK	cmyk(2.5%, 0%, 49.4%, 4.7%)
CIE-LAB	lab(93.25, -18.18, 56.59)
CIE-LCH	lch(93.25, 59.44, 107.81°)
OKLab	oklab(93.55% -0.0525 0.1337)
OKLCH	oklch(93.55% 0.144 111.4)
XYZ	xyz(70.5522, 83.5372, 31.1428)
Luminance	0.8354 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#EDF37B #817BF3

analogous

#F3BD7B #EDF37B #B1F37B

triadic

#EDF37B #7BEDF3 #F37BED

tetradic

#EDF37B #7BF3BD #817BF3 #F37BB1

square

#EDF37B #7BF3BD #817BF3 #F37BB1

split-complementary

#EDF37B #7BB1F3 #BD7BF3

monochromatic

#D5DF14 #E5EE43 #EDF37B #F5F8B3 #FBFCE3

Accessibility & contrast

On white

1.19

#EDF37B on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

17.71

#EDF37B on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #EDF37B

17.71:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##EDF37B	#FFFFFF	#000000	##000000
##EDF37B	1.00	1.19	17.71	17.71
#FFFFFF	1.19	1.00	21.00	21.00
#000000	17.71	21.00	1.00	1.00
##000000	17.71	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#FFEA70

Deuteranopia (green-blind)

#FFED81

Tritanopia (blue-blind)

#FAE7D8

Achromatopsia (no color)

#ECECEC

Design tokens & code

CSS

--color: #edf37b;
/* rgb */ color: rgb(237, 243, 123);
/* oklch */ color: oklch(93.5% 0.144 111.4);

Tailwind

colors: {
  custom: {
    50: '#f5f6a4',
    500: '#edf37b',
    950: '#000000',
  },
}

SCSS

$custom: #edf37b;
$custom-light: #f5f6a4;
$custom-dark: #000000;

JSON

{
  "hex": "#edf37b",
  "rgb": {
    "r": 237,
    "g": 243,
    "b": 123
  },
  "hsl": {
    "h": 63,
    "s": 83.333,
    "l": 71.765
  },
  "oklch": {
    "l": 0.93548,
    "c": 0.14365,
    "h": 111.4
  },
  "luminance": 0.83536
}

Semantic roles & 50–950 ramp

primary

#EDF37B

secondary

#4B44CE

accent

#06E011

background

#FFFFFC

surface

#FFFEF6

border

#D7D6D0

text

#17170F

muted

#858580

Preview Lab

Preview with #EDF37B

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

Preview Lab → · Contrast checker → · Palette generator →