#9ECB51#9ECB51

#9ECB51 is a light, vivid yellow-green. Relative luminance 0.506; OKLCH L 78.5% C 0.158 H 126.8°. Best body text is #000000 at 11.12:1 contrast (WCAG AA passes).

Color values

HEX	#9ECB51
RGB	rgb(158, 203, 81)
HSL	hsl(82, 54%, 56%)
HSV	hsv(82, 60%, 80%)
CMYK	cmyk(22.2%, 0%, 60.1%, 20.4%)
CIE-LAB	lab(76.42, -33.47, 54.70)
CIE-LCH	lch(76.42, 64.13, 121.47°)
OKLab	oklab(78.53% -0.0949 0.1267)
OKLCH	oklch(78.53% 0.158 126.8)
XYZ	xyz(36.9417, 50.5745, 15.5986)
Luminance	0.5058 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#9ECB51 #7E51CB

analogous

#CBBB51 #9ECB51 #61CB51

triadic

#9ECB51 #519ECB #CB519E

tetradic

#9ECB51 #51CBBB #7E51CB #CB5161

square

#9ECB51 #51CBBB #7E51CB #CB5161

split-complementary

#9ECB51 #5161CB #BB51CB

monochromatic

#5C7C25 #7FAC33 #9ECB51 #B8D980 #D3E7AF

Accessibility & contrast

On white

1.89

#9ECB51 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

11.12

#9ECB51 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #9ECB51

11.12:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##9ECB51	#FFFFFF	#000000	##000000
##9ECB51	1.00	1.89	11.12	11.12
#FFFFFF	1.89	1.00	21.00	21.00
#000000	11.12	21.00	1.00	1.00
##000000	11.12	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#D5BE43

Deuteranopia (green-blind)

#CFBC5A

Tritanopia (blue-blind)

#A3C2B1

Achromatopsia (no color)

#BCBCBC

Design tokens & code

CSS

--color: #9ecb51;
/* rgb */ color: rgb(158, 203, 81);
/* oklch */ color: oklch(78.5% 0.158 126.8);

Tailwind

colors: {
  custom: {
    50: '#bddb86',
    500: '#9ecb51',
    950: '#000000',
  },
}

SCSS

$custom: #9ecb51;
$custom-light: #bddb86;
$custom-dark: #000000;

JSON

{
  "hex": "#9ecb51",
  "rgb": {
    "r": 158,
    "g": 203,
    "b": 81
  },
  "hsl": {
    "h": 82.131,
    "s": 53.982,
    "l": 55.686
  },
  "oklch": {
    "l": 0.78527,
    "c": 0.15825,
    "h": 126.8
  },
  "luminance": 0.50575
}

Semantic roles & 50–950 ramp

primary

#9ECB51

secondary

#573C84

accent

#4ADD81

background

#FDFEFB

surface

#F9FBF2

border

#D2D4CC

text

#12150B

muted

#82847E

Preview Lab

Preview with #9ECB51

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

Preview Lab → · Contrast checker → · Palette generator →