#99D542#99D542

#99D542 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	#99D542
RGB	rgb(153, 213, 66)
HSL	hsl(84, 64%, 55%)
HSV	hsv(84, 69%, 84%)
CMYK	cmyk(28.2%, 0%, 69%, 16.5%)
CIE-LAB	lab(78.90, -40.98, 63.34)
CIE-LCH	lch(78.90, 75.44, 122.90°)
OKLab	oklab(80.42% -0.1165 0.1431)
OKLCH	oklch(80.42% 0.184 129.2)
XYZ	xyz(37.9144, 54.7532, 13.7240)
Luminance	0.5475 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#99D542 #7E42D5

analogous

#D5C842 #99D542 #50D542

triadic

#99D542 #4299D5 #D54299

tetradic

#99D542 #42D5C8 #7E42D5 #D54250

square

#99D542 #42D5C8 #7E42D5 #D54250

split-complementary

#99D542 #4250D5 #C842D5

monochromatic

#57801C #7AB228 #99D542 #B4E074 #CFEBA6

Accessibility & contrast

On white

1.76

#99D542 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

11.95

#99D542 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #99D542

11.95:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##99D542	#FFFFFF	#000000	##000000
##99D542	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)

#DFC62B

Deuteranopia (green-blind)

#D7C24F

Tritanopia (blue-blind)

#9DCCB8

Achromatopsia (no color)

#C3C3C3

Design tokens & code

CSS

--color: #99d542;
/* rgb */ color: rgb(153, 213, 66);
/* oklch */ color: oklch(80.4% 0.184 129.2);

Tailwind

colors: {
  custom: {
    50: '#bbe27f',
    500: '#99d542',
    950: '#000000',
  },
}

SCSS

$custom: #99d542;
$custom-light: #bbe27f;
$custom-dark: #000000;

JSON

{
  "hex": "#99d542",
  "rgb": {
    "r": 153,
    "g": 213,
    "b": 66
  },
  "hsl": {
    "h": 84.49,
    "s": 63.636,
    "l": 54.706
  },
  "oklch": {
    "l": 0.80421,
    "c": 0.18449,
    "h": 129.2
  },
  "luminance": 0.54754
}

Semantic roles & 50–950 ramp

primary

#99D542

secondary

#563487

accent

#41E785

background

#FDFEFB

surface

#F9FCF2

border

#D2D5CC

text

#12150B

muted

#82847E

Preview Lab

Preview with #99D542

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

Preview Lab → · Contrast checker → · Palette generator →