#99CA3B#99CA3B

#99CA3B is a light, vivid yellow-green. Relative luminance 0.493; OKLCH L 77.8% C 0.175 H 126.7°. Best body text is #000000 at 10.87:1 contrast (WCAG AA passes).

Color values

HEX	#99CA3B
RGB	rgb(153, 202, 59)
HSL	hsl(81, 57%, 51%)
HSV	hsv(81, 71%, 79%)
CMYK	cmyk(24.3%, 0%, 70.8%, 20.8%)
CIE-LAB	lab(75.66, -36.52, 62.64)
CIE-LCH	lch(75.66, 72.51, 120.24°)
OKLab	oklab(77.77% -0.1049 0.1406)
OKLCH	oklch(77.77% 0.175 126.7)
XYZ	xyz(35.0469, 49.3285, 11.8117)
Luminance	0.4933 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#99CA3B #6C3BCA

analogous

#CAB33B #99CA3B #51CA3B

triadic

#99CA3B #3B99CA #CA3B99

tetradic

#99CA3B #3BCAB3 #6C3BCA #CA3B51

square

#99CA3B #3BCAB3 #6C3BCA #CA3B51

split-complementary

#99CA3B #3B51CA #B33BCA

monochromatic

#526D1E #769D2B #99CA3B #B2D76B #CBE49B

Accessibility & contrast

On white

1.93

#99CA3B on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

10.87

#99CA3B on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #99CA3B

10.87:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##99CA3B	#FFFFFF	#000000	##000000
##99CA3B	1.00	1.93	10.87	10.87
#FFFFFF	1.93	1.00	21.00	21.00
#000000	10.87	21.00	1.00	1.00
##000000	10.87	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#D4BC22

Deuteranopia (green-blind)

#CEBA48

Tritanopia (blue-blind)

#9FC1AE

Achromatopsia (no color)

#BABABA

Design tokens & code

CSS

--color: #99ca3b;
/* rgb */ color: rgb(153, 202, 59);
/* oklch */ color: oklch(77.8% 0.175 126.7);

Tailwind

colors: {
  custom: {
    50: '#bbda7a',
    500: '#99ca3b',
    950: '#000000',
  },
}

SCSS

$custom: #99ca3b;
$custom-light: #bbda7a;
$custom-dark: #000000;

JSON

{
  "hex": "#99ca3b",
  "rgb": {
    "r": 153,
    "g": 202,
    "b": 59
  },
  "hsl": {
    "h": 80.559,
    "s": 57.43,
    "l": 51.176
  },
  "oklch": {
    "l": 0.77773,
    "c": 0.17538,
    "h": 126.7
  },
  "luminance": 0.49329
}

Semantic roles & 50–950 ramp

primary

#99CA3B

secondary

#A691D0

accent

#47E17C

background

#FBFDF7

surface

#F7FAEE

border

#D0D3C9

text

#12150A

muted

#81837C

Preview Lab

Preview with #99CA3B

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

Preview Lab → · Contrast checker → · Palette generator →