#9ECD3B#9ECD3B

#9ECD3B is a light, vivid yellow-green. Relative luminance 0.512; OKLCH L 78.8% C 0.177 H 125.9°. Best body text is #000000 at 11.25:1 contrast (WCAG AA passes).

Color values

HEX	#9ECD3B
RGB	rgb(158, 205, 59)
HSL	hsl(79, 59%, 52%)
HSV	hsv(79, 71%, 80%)
CMYK	cmyk(22.9%, 0%, 71.2%, 19.6%)
CIE-LAB	lab(76.83, -35.96, 63.91)
CIE-LCH	lch(76.83, 73.33, 119.36°)
OKLab	oklab(78.8% -0.1036 0.1431)
OKLCH	oklch(78.8% 0.177 125.9)
XYZ	xyz(36.7215, 51.2470, 12.0938)
Luminance	0.5125 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#9ECD3B #6A3BCD

analogous

#CDB33B #9ECD3B #55CD3B

triadic

#9ECD3B #3B9ECD #CD3B9E

tetradic

#9ECD3B #3BCDB3 #6A3BCD #CD3B55

square

#9ECD3B #3BCDB3 #6A3BCD #CD3B55

split-complementary

#9ECD3B #3B55CD #B33BCD

monochromatic

#56711D #7BA229 #9ECD3B #B6D96C #CEE69D

Accessibility & contrast

On white

1.87

#9ECD3B on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

11.25

#9ECD3B on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #9ECD3B

11.25:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##9ECD3B	#FFFFFF	#000000	##000000
##9ECD3B	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)

#D8BF21

Deuteranopia (green-blind)

#D2BD48

Tritanopia (blue-blind)

#A5C3B1

Achromatopsia (no color)

#BEBEBE

Design tokens & code

CSS

--color: #9ecd3b;
/* rgb */ color: rgb(158, 205, 59);
/* oklch */ color: oklch(78.8% 0.177 125.9);

Tailwind

colors: {
  custom: {
    50: '#bedc7a',
    500: '#9ecd3b',
    950: '#000000',
  },
}

SCSS

$custom: #9ecd3b;
$custom-light: #bedc7a;
$custom-dark: #000000;

JSON

{
  "hex": "#9ecd3b",
  "rgb": {
    "r": 158,
    "g": 205,
    "b": 59
  },
  "hsl": {
    "h": 79.315,
    "s": 59.35,
    "l": 51.765
  },
  "oklch": {
    "l": 0.78803,
    "c": 0.17671,
    "h": 125.9
  },
  "luminance": 0.51248
}

Semantic roles & 50–950 ramp

primary

#9ECD3B

secondary

#49327A

accent

#45E378

background

#FDFEFB

surface

#F9FCF2

border

#D2D5CC

text

#13150A

muted

#82847D

Preview Lab

Preview with #9ECD3B

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

Preview Lab → · Contrast checker → · Palette generator →