#9ECD39#9ECD39

#9ECD39 is a light, vivid yellow-green. Relative luminance 0.512; OKLCH L 78.8% C 0.178 H 125.8°. Best body text is #000000 at 11.25:1 contrast (WCAG AA passes).

Color values

HEX	#9ECD39
RGB	rgb(158, 205, 57)
HSL	hsl(79, 60%, 51%)
HSV	hsv(79, 72%, 80%)
CMYK	cmyk(22.9%, 0%, 72.2%, 19.6%)
CIE-LAB	lab(76.82, -36.07, 64.60)
CIE-LCH	lch(76.82, 73.99, 119.18°)
OKLab	oklab(78.79% -0.1041 0.1443)
OKLCH	oklch(78.79% 0.178 125.8)
XYZ	xyz(36.6706, 51.2266, 11.8259)
Luminance	0.5123 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#9ECD39 #6839CD

analogous

#CDB239 #9ECD39 #54CD39

triadic

#9ECD39 #399ECD #CD399E

tetradic

#9ECD39 #39CDB2 #6839CD #CD3954

square

#9ECD39 #39CDB2 #6839CD #CD3954

split-complementary

#9ECD39 #3954CD #B239CD

monochromatic

#556F1C #7AA028 #9ECD39 #B6D96A #CEE69B

Accessibility & contrast

On white

1.87

#9ECD39 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

11.25

#9ECD39 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #9ECD39

11.25:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##9ECD39	#FFFFFF	#000000	##000000
##9ECD39	1.00	1.87	11.25	11.25
#FFFFFF	1.87	1.00	21.00	21.00
#000000	11.25	21.00	1.00	1.00
##000000	11.25	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#D8BF1D

Deuteranopia (green-blind)

#D2BD46

Tritanopia (blue-blind)

#A5C3B0

Achromatopsia (no color)

#BEBEBE

Design tokens & code

CSS

--color: #9ecd39;
/* rgb */ color: rgb(158, 205, 57);
/* oklch */ color: oklch(78.8% 0.178 125.8);

Tailwind

colors: {
  custom: {
    50: '#bfdc79',
    500: '#9ecd39',
    950: '#000000',
  },
}

SCSS

$custom: #9ecd39;
$custom-light: #bfdc79;
$custom-dark: #000000;

JSON

{
  "hex": "#9ecd39",
  "rgb": {
    "r": 158,
    "g": 205,
    "b": 57
  },
  "hsl": {
    "h": 79.054,
    "s": 59.677,
    "l": 51.373
  },
  "oklch": {
    "l": 0.78789,
    "c": 0.17792,
    "h": 125.8
  },
  "luminance": 0.51227
}

Semantic roles & 50–950 ramp

primary

#9ECD39

secondary

#483279

accent

#45E377

background

#FDFEFB

surface

#F9FCF2

border

#D2D5CC

text

#13150A

muted

#82847D

Preview Lab

Preview with #9ECD39

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

Preview Lab → · Contrast checker → · Palette generator →