#99CD40#99CD40

#99CD40 is a light, vivid yellow-green. Relative luminance 0.508; OKLCH L 78.5% C 0.176 H 127.6°. Best body text is #000000 at 11.16:1 contrast (WCAG AA passes).

Color values

HEX	#99CD40
RGB	rgb(153, 205, 64)
HSL	hsl(82, 59%, 53%)
HSV	hsv(82, 69%, 80%)
CMYK	cmyk(25.4%, 0%, 68.8%, 19.6%)
CIE-LAB	lab(76.56, -37.56, 61.70)
CIE-LCH	lch(76.56, 72.24, 121.33°)
OKLab	oklab(78.52% -0.1073 0.1393)
OKLCH	oklch(78.52% 0.176 127.6)
XYZ	xyz(35.8936, 50.8044, 12.7647)
Luminance	0.5081 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#99CD40 #7440CD

analogous

#CDBB40 #99CD40 #52CD40

triadic

#99CD40 #4099CD #CD4099

tetradic

#99CD40 #40CDBB #7440CD #CD4052

square

#99CD40 #40CDBB #7440CD #CD4052

split-complementary

#99CD40 #4052CD #BB40CD

monochromatic

#55741E #78A52B #99CD40 #B3DA71 #CDE6A1

Accessibility & contrast

On white

1.88

#99CD40 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

11.16

#99CD40 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #99CD40

11.16:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##99CD40	#FFFFFF	#000000	##000000
##99CD40	1.00	1.88	11.16	11.16
#FFFFFF	1.88	1.00	21.00	21.00
#000000	11.16	21.00	1.00	1.00
##000000	11.16	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#D7BF2A

Deuteranopia (green-blind)

#D0BC4C

Tritanopia (blue-blind)

#9EC4B1

Achromatopsia (no color)

#BDBDBD

Design tokens & code

CSS

--color: #99cd40;
/* rgb */ color: rgb(153, 205, 64);
/* oklch */ color: oklch(78.5% 0.176 127.6);

Tailwind

colors: {
  custom: {
    50: '#bbdc7d',
    500: '#99cd40',
    950: '#000000',
  },
}

SCSS

$custom: #99cd40;
$custom-light: #bbdc7d;
$custom-dark: #000000;

JSON

{
  "hex": "#99cd40",
  "rgb": {
    "r": 153,
    "g": 205,
    "b": 64
  },
  "hsl": {
    "h": 82.128,
    "s": 58.506,
    "l": 52.745
  },
  "oklch": {
    "l": 0.78518,
    "c": 0.17586,
    "h": 127.6
  },
  "luminance": 0.50805
}

Semantic roles & 50–950 ramp

primary

#99CD40

secondary

#4F347D

accent

#46E27F

background

#FDFEFB

surface

#F9FCF2

border

#D2D5CC

text

#12150A

muted

#82847D

Preview Lab

Preview with #99CD40

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

Preview Lab → · Contrast checker → · Palette generator →