#99CD51#99CD51

#99CD51 is a light, vivid yellow-green. Relative luminance 0.510; OKLCH L 78.7% C 0.163 H 128.8°. Best body text is #000000 at 11.21:1 contrast (WCAG AA passes).

Color values

HEX	#99CD51
RGB	rgb(153, 205, 81)
HSL	hsl(85, 55%, 56%)
HSV	hsv(85, 60%, 80%)
CMYK	cmyk(25.4%, 0%, 60.5%, 19.6%)
CIE-LAB	lab(76.70, -36.28, 54.92)
CIE-LCH	lch(76.70, 65.82, 123.45°)
OKLab	oklab(78.67% -0.1023 0.1272)
OKLCH	oklch(78.67% 0.163 128.8)
XYZ	xyz(36.4532, 51.0282, 15.7119)
Luminance	0.5103 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#99CD51 #8551CD

analogous

#CDC351 #99CD51 #5BCD51

triadic

#99CD51 #5199CD #CD5199

tetradic

#99CD51 #51CDC3 #8551CD #CD515B

square

#99CD51 #51CDC3 #8551CD #CD515B

split-complementary

#99CD51 #515BCD #C351CD

monochromatic

#597F25 #7AAF32 #99CD51 #B5DB81 #D1E8B0

Accessibility & contrast

On white

1.87

#99CD51 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

11.21

#99CD51 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #99CD51

11.21:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##99CD51	#FFFFFF	#000000	##000000
##99CD51	1.00	1.87	11.21	11.21
#FFFFFF	1.87	1.00	21.00	21.00
#000000	11.21	21.00	1.00	1.00
##000000	11.21	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#D6C043

Deuteranopia (green-blind)

#CFBC5A

Tritanopia (blue-blind)

#9DC5B3

Achromatopsia (no color)

#BDBDBD

Design tokens & code

CSS

--color: #99cd51;
/* rgb */ color: rgb(153, 205, 81);
/* oklch */ color: oklch(78.7% 0.163 128.8);

Tailwind

colors: {
  custom: {
    50: '#badc86',
    500: '#99cd51',
    950: '#000000',
  },
}

SCSS

$custom: #99cd51;
$custom-light: #badc86;
$custom-dark: #000000;

JSON

{
  "hex": "#99cd51",
  "rgb": {
    "r": 153,
    "g": 205,
    "b": 81
  },
  "hsl": {
    "h": 85.161,
    "s": 55.357,
    "l": 56.078
  },
  "oklch": {
    "l": 0.78671,
    "c": 0.16325,
    "h": 128.8
  },
  "luminance": 0.51029
}

Semantic roles & 50–950 ramp

primary

#99CD51

secondary

#5B3B87

accent

#49DF88

background

#FDFEFB

surface

#F8FCF2

border

#D1D5CC

text

#12150B

muted

#82847E

Preview Lab

Preview with #99CD51

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

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