#9ECD33#9ECD33

#9ECD33 is a light, vivid yellow-green. Relative luminance 0.512; OKLCH L 78.8% C 0.181 H 125.6°. Best body text is #000000 at 11.23:1 contrast (WCAG AA passes).

Color values

HEX	#9ECD33
RGB	rgb(158, 205, 51)
HSL	hsl(78, 61%, 50%)
HSV	hsv(78, 75%, 80%)
CMYK	cmyk(22.9%, 0%, 75.1%, 19.6%)
CIE-LAB	lab(76.78, -36.39, 66.59)
CIE-LCH	lch(76.78, 75.88, 118.66°)
OKLab	oklab(78.75% -0.1054 0.1475)
OKLCH	oklch(78.75% 0.181 125.6)
XYZ	xyz(36.5297, 51.1703, 11.0836)
Luminance	0.5117 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#9ECD33 #6233CD

analogous

#CDAF33 #9ECD33 #51CD33

triadic

#9ECD33 #339ECD #CD339E

tetradic

#9ECD33 #33CDAF #6233CD #CD3351

square

#9ECD33 #33CDAF #6233CD #CD3351

split-complementary

#9ECD33 #3351CD #AF33CD

monochromatic

#536B1A #789C26 #9ECD33 #B5D964 #CDE595

Accessibility & contrast

On white

1.87

#9ECD33 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

11.23

#9ECD33 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #9ECD33

11.23:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##9ECD33	#FFFFFF	#000000	##000000
##9ECD33	1.00	1.87	11.23	11.23
#FFFFFF	1.87	1.00	21.00	21.00
#000000	11.23	21.00	1.00	1.00
##000000	11.23	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#D8BF0D

Deuteranopia (green-blind)

#D2BD42

Tritanopia (blue-blind)

#A5C3B0

Achromatopsia (no color)

#BDBDBD

Design tokens & code

CSS

--color: #9ecd33;
/* rgb */ color: rgb(158, 205, 51);
/* oklch */ color: oklch(78.8% 0.181 125.6);

Tailwind

colors: {
  custom: {
    50: '#bfdc76',
    500: '#9ecd33',
    950: '#000000',
  },
}

SCSS

$custom: #9ecd33;
$custom-light: #bfdc76;
$custom-dark: #000000;

JSON

{
  "hex": "#9ecd33",
  "rgb": {
    "r": 158,
    "g": 205,
    "b": 51
  },
  "hsl": {
    "h": 78.312,
    "s": 60.63,
    "l": 50.196
  },
  "oklch": {
    "l": 0.7875,
    "c": 0.18132,
    "h": 125.6
  },
  "luminance": 0.51171
}

Semantic roles & 50–950 ramp

primary

#9ECD33

secondary

#452F75

accent

#44E475

background

#FDFEFB

surface

#F9FCF1

border

#D2D5CB

text

#131509

muted

#82847D

Preview Lab

Preview with #9ECD33

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

Preview Lab → · Contrast checker → · Palette generator →