#9ECD51#9ECD51

#9ECD51 is a light, vivid yellow-green. Relative luminance 0.515; OKLCH L 79.0% C 0.161 H 127.3°. Best body text is #000000 at 11.31:1 contrast (WCAG AA passes).

Color values

HEX	#9ECD51
RGB	rgb(158, 205, 81)
HSL	hsl(83, 55%, 56%)
HSV	hsv(83, 60%, 80%)
CMYK	cmyk(22.9%, 0%, 60.5%, 19.6%)
CIE-LAB	lab(77.00, -34.40, 55.34)
CIE-LCH	lch(77.00, 65.15, 121.86°)
OKLab	oklab(78.99% -0.0974 0.128)
OKLCH	oklch(78.99% 0.161 127.3)
XYZ	xyz(37.4170, 51.5252, 15.7570)
Luminance	0.5153 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#9ECD51 #8051CD

analogous

#CDBE51 #9ECD51 #60CD51

triadic

#9ECD51 #519ECD #CD519E

tetradic

#9ECD51 #51CDBE #8051CD #CD5160

square

#9ECD51 #51CDBE #8051CD #CD5160

split-complementary

#9ECD51 #5160CD #BE51CD

monochromatic

#5D7F25 #7FAF32 #9ECD51 #B9DB81 #D3E8B0

Accessibility & contrast

On white

1.86

#9ECD51 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

11.31

#9ECD51 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #9ECD51

11.31:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##9ECD51	#FFFFFF	#000000	##000000
##9ECD51	1.00	1.86	11.31	11.31
#FFFFFF	1.86	1.00	21.00	21.00
#000000	11.31	21.00	1.00	1.00
##000000	11.31	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#D7C043

Deuteranopia (green-blind)

#D0BD5A

Tritanopia (blue-blind)

#A3C4B3

Achromatopsia (no color)

#BEBEBE

Design tokens & code

CSS

--color: #9ecd51;
/* rgb */ color: rgb(158, 205, 81);
/* oklch */ color: oklch(79.0% 0.161 127.3);

Tailwind

colors: {
  custom: {
    50: '#bedc87',
    500: '#9ecd51',
    950: '#000000',
  },
}

SCSS

$custom: #9ecd51;
$custom-light: #bedc87;
$custom-dark: #000000;

JSON

{
  "hex": "#9ecd51",
  "rgb": {
    "r": 158,
    "g": 205,
    "b": 81
  },
  "hsl": {
    "h": 82.742,
    "s": 55.357,
    "l": 56.078
  },
  "oklch": {
    "l": 0.78992,
    "c": 0.16087,
    "h": 127.3
  },
  "luminance": 0.51526
}

Semantic roles & 50–950 ramp

primary

#9ECD51

secondary

#583B87

accent

#49DF82

background

#FDFEFC

surface

#F9FCF3

border

#D2D5CD

text

#12150C

muted

#82847F

Preview Lab

Preview with #9ECD51

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

Preview Lab → · Contrast checker → · Palette generator →