#99C451#99C451

#99C451 is a light, vivid yellow-green. Relative luminance 0.468; OKLCH L 76.6% C 0.151 H 126.9°. Best body text is #000000 at 10.37:1 contrast (WCAG AA passes).

Color values

HEX	#99C451
RGB	rgb(153, 196, 81)
HSL	hsl(82, 49%, 54%)
HSV	hsv(82, 59%, 77%)
CMYK	cmyk(21.9%, 0%, 58.7%, 23.1%)
CIE-LAB	lab(74.09, -32.13, 52.00)
CIE-LCH	lch(74.09, 61.13, 121.71°)
OKLab	oklab(76.56% -0.0909 0.121)
OKLCH	oklch(76.56% 0.151 126.9)
XYZ	xyz(34.3620, 46.8457, 15.0148)
Luminance	0.4685 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#99C451 #7C51C4

analogous

#C4B651 #99C451 #60C451

triadic

#99C451 #5199C4 #C45199

tetradic

#99C451 #51C4B6 #7C51C4 #C45160

square

#99C451 #51C4B6 #7C51C4 #C45160

split-complementary

#99C451 #5160C4 #B651C4

monochromatic

#577327 #79A137 #99C451 #B4D37F #CFE3AC

Accessibility & contrast

On white

2.03

#99C451 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

10.37

#99C451 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #99C451

10.37:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##99C451	#FFFFFF	#000000	##000000
##99C451	1.00	2.03	10.37	10.37
#FFFFFF	2.03	1.00	21.00	21.00
#000000	10.37	21.00	1.00	1.00
##000000	10.37	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#CDB845

Deuteranopia (green-blind)

#C7B559

Tritanopia (blue-blind)

#9EBCAB

Achromatopsia (no color)

#B6B6B6

Design tokens & code

CSS

--color: #99c451;
/* rgb */ color: rgb(153, 196, 81);
/* oklch */ color: oklch(76.6% 0.151 126.9);

Tailwind

colors: {
  custom: {
    50: '#bad686',
    500: '#99c451',
    950: '#000000',
  },
}

SCSS

$custom: #99c451;
$custom-light: #bad686;
$custom-dark: #000000;

JSON

{
  "hex": "#99c451",
  "rgb": {
    "r": 153,
    "g": 196,
    "b": 81
  },
  "hsl": {
    "h": 82.435,
    "s": 49.356,
    "l": 54.314
  },
  "oklch": {
    "l": 0.76563,
    "c": 0.1513,
    "h": 126.9
  },
  "luminance": 0.46846
}

Semantic roles & 50–950 ramp

primary

#99C451

secondary

#B2A0D1

accent

#4FD983

background

#FBFDF8

surface

#F6FAF0

border

#D0D3CB

text

#12140B

muted

#81837C

Preview Lab

Preview with #99C451

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

Preview Lab → · Contrast checker → · Palette generator →