#99CD59#99CD59

#99CD59 is a light, vivid yellow-green. Relative luminance 0.512; OKLCH L 78.8% C 0.156 H 129.6°. Best body text is #000000 at 11.23:1 contrast (WCAG AA passes).

Color values

HEX	#99CD59
RGB	rgb(153, 205, 89)
HSL	hsl(87, 54%, 58%)
HSV	hsv(87, 57%, 80%)
CMYK	cmyk(25.4%, 0%, 56.6%, 19.6%)
CIE-LAB	lab(76.77, -35.56, 51.45)
CIE-LCH	lch(76.77, 62.54, 124.65°)
OKLab	oklab(78.76% -0.0997 0.1206)
OKLCH	oklch(78.76% 0.156 129.6)
XYZ	xyz(36.7711, 51.1554, 17.3859)
Luminance	0.5116 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#99CD59 #8D59CD

analogous

#CDC759 #99CD59 #5FCD59

triadic

#99CD59 #5999CD #CD5999

tetradic

#99CD59 #59CDC7 #8D59CD #CD595F

square

#99CD59 #59CDC7 #8D59CD #CD595F

split-complementary

#99CD59 #595FCD #C759CD

monochromatic

#5B8428 #7BB336 #99CD59 #B6DB88 #D3E9B7

Accessibility & contrast

On white

1.87

#99CD59 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

11.23

#99CD59 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #99CD59

11.23:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##99CD59	#FFFFFF	#000000	##000000
##99CD59	1.00	1.87	11.23	11.23
#FFFFFF	1.87	1.00	21.00	21.00
#000000	11.23	21.00	1.00	1.00
##000000	11.23	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#D6C04D

Deuteranopia (green-blind)

#CEBC61

Tritanopia (blue-blind)

#9DC5B4

Achromatopsia (no color)

#BDBDBD

Design tokens & code

CSS

--color: #99cd59;
/* rgb */ color: rgb(153, 205, 89);
/* oklch */ color: oklch(78.8% 0.156 129.6);

Tailwind

colors: {
  custom: {
    50: '#badc8b',
    500: '#99cd59',
    950: '#000000',
  },
}

SCSS

$custom: #99cd59;
$custom-light: #badc8b;
$custom-dark: #000000;

JSON

{
  "hex": "#99cd59",
  "rgb": {
    "r": 153,
    "g": 205,
    "b": 89
  },
  "hsl": {
    "h": 86.897,
    "s": 53.704,
    "l": 57.647
  },
  "oklch": {
    "l": 0.78758,
    "c": 0.15646,
    "h": 129.6
  },
  "luminance": 0.51156
}

Semantic roles & 50–950 ramp

primary

#99CD59

secondary

#613F8B

accent

#4BDD8C

background

#FDFEFC

surface

#F8FCF4

border

#D1D5CE

text

#12150C

muted

#82847F

Preview Lab

Preview with #99CD59

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

Preview Lab → · Contrast checker → · Palette generator →