#99D543#99D543

#99D543 is a light, vivid yellow-green. Relative luminance 0.548; OKLCH L 80.4% C 0.184 H 129.2°. Best body text is #000000 at 11.95:1 contrast (WCAG AA passes).

Color values

HEX	#99D543
RGB	rgb(153, 213, 67)
HSL	hsl(85, 63%, 55%)
HSV	hsv(85, 69%, 84%)
CMYK	cmyk(28.2%, 0%, 68.5%, 16.5%)
CIE-LAB	lab(78.91, -40.91, 62.97)
CIE-LCH	lch(78.91, 75.10, 123.01°)
OKLab	oklab(80.43% -0.1162 0.1424)
OKLCH	oklch(80.43% 0.184 129.2)
XYZ	xyz(37.9441, 54.7651, 13.8807)
Luminance	0.5477 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#99D543 #7F43D5

analogous

#D5C843 #99D543 #50D543

triadic

#99D543 #4399D5 #D54399

tetradic

#99D543 #43D5C8 #7F43D5 #D54350

square

#99D543 #43D5C8 #7F43D5 #D54350

split-complementary

#99D543 #4350D5 #C843D5

monochromatic

#58811D #7AB328 #99D543 #B4E075 #CFEBA7

Accessibility & contrast

On white

1.76

#99D543 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

11.95

#99D543 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #99D543

11.95:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##99D543	#FFFFFF	#000000	##000000
##99D543	1.00	1.76	11.95	11.95
#FFFFFF	1.76	1.00	21.00	21.00
#000000	11.95	21.00	1.00	1.00
##000000	11.95	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#DFC62D

Deuteranopia (green-blind)

#D7C24F

Tritanopia (blue-blind)

#9DCCB8

Achromatopsia (no color)

#C3C3C3

Design tokens & code

CSS

--color: #99d543;
/* rgb */ color: rgb(153, 213, 67);
/* oklch */ color: oklch(80.4% 0.184 129.2);

Tailwind

colors: {
  custom: {
    50: '#bbe27f',
    500: '#99d543',
    950: '#000000',
  },
}

SCSS

$custom: #99d543;
$custom-light: #bbe27f;
$custom-dark: #000000;

JSON

{
  "hex": "#99d543",
  "rgb": {
    "r": 153,
    "g": 213,
    "b": 67
  },
  "hsl": {
    "h": 84.658,
    "s": 63.478,
    "l": 54.902
  },
  "oklch": {
    "l": 0.80428,
    "c": 0.18384,
    "h": 129.2
  },
  "luminance": 0.54766
}

Semantic roles & 50–950 ramp

primary

#99D543

secondary

#573488

accent

#41E785

background

#FDFEFB

surface

#F9FCF2

border

#D2D5CC

text

#12150B

muted

#82847E

Preview Lab

Preview with #99D543

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

Preview Lab → · Contrast checker → · Palette generator →