#DEF05B#DEF05B

#DEF05B is a very light, vivid yellow. Relative luminance 0.786; OKLCH L 91.4% C 0.171 H 115.7°. Best body text is #000000 at 16.72:1 contrast (WCAG AA passes).

Color values

HEX	#DEF05B
RGB	rgb(222, 240, 91)
HSL	hsl(67, 83%, 65%)
HSV	hsv(67, 62%, 94%)
CMYK	cmyk(7.5%, 0%, 62.1%, 5.9%)
CIE-LAB	lab(91.06, -25.10, 67.68)
CIE-LCH	lch(91.06, 72.19, 110.34°)
OKLab	oklab(91.43% -0.0743 0.1543)
OKLCH	oklch(91.43% 0.171 115.7)
XYZ	xyz(63.1740, 78.6060, 21.7400)
Luminance	0.7861 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#DEF05B #6D5BF0

analogous

#F0B75B #DEF05B #94F05B

triadic

#DEF05B #5BDEF0 #F05BDE

tetradic

#DEF05B #5BF0B7 #6D5BF0 #F05B94

square

#DEF05B #5BF0B7 #6D5BF0 #F05B94

split-complementary

#DEF05B #5B94F0 #B75BF0

monochromatic

#AABF11 #D3EB23 #DEF05B #E9F593 #F5FACB

Accessibility & contrast

On white

1.26

#DEF05B on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

16.72

#DEF05B on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #DEF05B

16.72:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##DEF05B	#FFFFFF	#000000	##000000
##DEF05B	1.00	1.26	16.72	16.72
#FFFFFF	1.26	1.00	21.00	21.00
#000000	16.72	21.00	1.00	1.00
##000000	16.72	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#FFE448

Deuteranopia (green-blind)

#FEE765

Tritanopia (blue-blind)

#EBE3D1

Achromatopsia (no color)

#E5E5E5

Design tokens & code

CSS

--color: #def05b;
/* rgb */ color: rgb(222, 240, 91);
/* oklch */ color: oklch(91.4% 0.171 115.7);

Tailwind

colors: {
  custom: {
    50: '#ebf490',
    500: '#def05b',
    950: '#000000',
  },
}

SCSS

$custom: #def05b;
$custom-light: #ebf490;
$custom-dark: #000000;

JSON

{
  "hex": "#def05b",
  "rgb": {
    "r": 222,
    "g": 240,
    "b": 91
  },
  "hsl": {
    "h": 67.248,
    "s": 83.24,
    "l": 64.902
  },
  "oklch": {
    "l": 0.91425,
    "c": 0.17122,
    "h": 115.7
  },
  "luminance": 0.78605
}

Semantic roles & 50–950 ramp

primary

#DEF05B

secondary

#4332BD

accent

#06E020

background

#FFFFFC

surface

#FEFEF4

border

#D6D6CE

text

#17170D

muted

#85857F

Preview Lab

Preview with #DEF05B

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

Preview Lab → · Contrast checker → · Palette generator →