#9CDF51#9CDF51

#9CDF51 is a very light, vivid yellow-green. Relative luminance 0.604; OKLCH L 83.1% C 0.185 H 131.0°. Best body text is #000000 at 13.09:1 contrast (WCAG AA passes).

Color values

HEX#9CDF51
RGBrgb(156, 223, 81)
HSLhsl(88, 69%, 60%)
HSVhsv(88, 64%, 87%)
CMYKcmyk(30%, 0%, 63.7%, 12.5%)
CIE-LABlab(82.07, -43.16, 60.86)
CIE-LCHlch(82.07, 74.61, 125.35°)
OKLaboklab(83.08% -0.1214 0.1397)
OKLCHoklch(83.08% 0.185 131)
XYZxyz(41.5828, 60.4360, 17.2574)
Luminance0.6044 (WCAG relative)
Temperaturewarm
Familyyellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#9CDF51 #9451DF
analogous
#DFDB51 #9CDF51 #55DF51
triadic
#9CDF51 #519CDF #DF519C
tetradic
#9CDF51 #51DFDB #9451DF #DF5155
square
#9CDF51 #51DFDB #9451DF #DF5155
split-complementary
#9CDF51 #5155DF #DB51DF
monochromatic
#5E991C #7ECD26 #9CDF51 #B9E985 #D7F2B8

Accessibility & contrast

On white

1.60
#9CDF51 on #FFFFFF
AA ✗AA large ✗AAA ✗

On black

13.09
#9CDF51 on #000000
AA ✓AA large ✓AAA ✓

Best text color

#000000 on #9CDF51
13.09:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##9CDF51#FFFFFF#000000##000000
##9CDF511.001.6013.0913.09
#FFFFFF1.601.0021.0021.00
#00000013.0921.001.001.00
##00000013.0921.001.001.00

Color blindness preview

Protanopia (red-blind)
#E8CF3F
Deuteranopia (green-blind)
#DFCA5C
Tritanopia (blue-blind)
#9FD6C2
Achromatopsia (no color)
#CCCCCC

Design tokens & code

CSS
--color: #9cdf51;
/* rgb */ color: rgb(156, 223, 81);
/* oklch */ color: oklch(83.1% 0.185 131.0);
Tailwind
colors: {
  custom: {
    50: '#bde988',
    500: '#9cdf51',
    950: '#000000',
  },
}
SCSS
$custom: #9cdf51;
$custom-light: #bde988;
$custom-dark: #000000;
JSON
{
  "hex": "#9cdf51",
  "rgb": {
    "r": 156,
    "g": 223,
    "b": 81
  },
  "hsl": {
    "h": 88.31,
    "s": 68.932,
    "l": 59.608
  },
  "oklch": {
    "l": 0.83081,
    "c": 0.18514,
    "h": 131
  },
  "luminance": 0.60437
}

Semantic roles & 50–950 ramp

primary
#9CDF51
secondary
#67379D
accent
#3CEC8F
background
#FDFEFC
surface
#F9FDF4
border
#D2D5CE
text
#12160C
muted
#82847F

Preview Lab

Preview with #9CDF51

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

Preview Lab → · Contrast checker → · Palette generator →

#9CDF51 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva