#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
RGB	rgb(156, 223, 81)
HSL	hsl(88, 69%, 60%)
HSV	hsv(88, 64%, 87%)
CMYK	cmyk(30%, 0%, 63.7%, 12.5%)
CIE-LAB	lab(82.07, -43.16, 60.86)
CIE-LCH	lch(82.07, 74.61, 125.35°)
OKLab	oklab(83.08% -0.1214 0.1397)
OKLCH	oklch(83.08% 0.185 131)
XYZ	xyz(41.5828, 60.4360, 17.2574)
Luminance	0.6044 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Spring Green (survey)

#A9F971

ΔE00 5.94

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
##9CDF51	1.00	1.60	13.09	13.09
#FFFFFF	1.60	1.00	21.00	21.00
#000000	13.09	21.00	1.00	1.00
##000000	13.09	21.00	1.00	1.00

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 →