#DDEF51#DDEF51

#DDEF51 is a very light, vivid yellow. Relative luminance 0.777; OKLCH L 91.1% C 0.178 H 115.6°. Best body text is #000000 at 16.54:1 contrast (WCAG AA passes).

Color values

HEX#DDEF51
RGBrgb(221, 239, 81)
HSLhsl(67, 83%, 63%)
HSVhsv(67, 66%, 94%)
CMYKcmyk(7.5%, 0%, 66.1%, 6.3%)
CIE-LABlab(90.64, -25.64, 71.12)
CIE-LCHlch(90.64, 75.60, 109.82°)
OKLaboklab(91.05% -0.0767 0.1601)
OKLCHoklch(91.05% 0.178 115.6)
XYZxyz(62.1720, 77.7002, 19.5055)
Luminance0.7770 (WCAG relative)
Temperaturewarm
Familyyellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#DDEF51 #6351EF
analogous
#EFB251 #DDEF51 #8EEF51
triadic
#DDEF51 #51DDEF #EF51DD
tetradic
#DDEF51 #51EFB2 #6351EF #EF518E
square
#DDEF51 #51EFB2 #6351EF #EF518E
split-complementary
#DDEF51 #518EEF #B251EF
monochromatic
#A2B511 #D2EA19 #DDEF51 #E8F489 #F3F9C1

Accessibility & contrast

On white

1.27
#DDEF51 on #FFFFFF
AA ✗AA large ✗AAA ✗

On black

16.54
#DDEF51 on #000000
AA ✓AA large ✓AAA ✓

Best text color

#000000 on #DDEF51
16.54:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##DDEF51#FFFFFF#000000##000000
##DDEF511.001.2716.5416.54
#FFFFFF1.271.0021.0021.00
#00000016.5421.001.001.00
##00000016.5421.001.001.00

Color blindness preview

Protanopia (red-blind)
#FFE33A
Deuteranopia (green-blind)
#FEE55D
Tritanopia (blue-blind)
#EBE2CF
Achromatopsia (no color)
#E4E4E4

Design tokens & code

CSS
--color: #ddef51;
/* rgb */ color: rgb(221, 239, 81);
/* oklch */ color: oklch(91.1% 0.178 115.6);
Tailwind
colors: {
  custom: {
    50: '#ebf48a',
    500: '#ddef51',
    950: '#000000',
  },
}
SCSS
$custom: #ddef51;
$custom-light: #ebf48a;
$custom-dark: #000000;
JSON
{
  "hex": "#ddef51",
  "rgb": {
    "r": 221,
    "g": 239,
    "b": 81
  },
  "hsl": {
    "h": 66.835,
    "s": 83.158,
    "l": 62.745
  },
  "oklch": {
    "l": 0.91053,
    "c": 0.17753,
    "h": 115.6
  },
  "luminance": 0.77699
}

Semantic roles & 50–950 ramp

primary
#DDEF51
secondary
#3F30B5
accent
#06E01F
background
#FFFFFC
surface
#FEFEF4
border
#D6D6CE
text
#17170C
muted
#85857F

Preview Lab

Preview with #DDEF51

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

Preview Lab → · Contrast checker → · Palette generator →

#DDEF51 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva