#99BC51#99BC51

#99BC51 is a light, vivid yellow-green. Relative luminance 0.433; OKLCH L 74.7% C 0.141 H 124.9°. Best body text is #000000 at 9.67:1 contrast (WCAG AA passes).

Color values

HEX	#99BC51
RGB	rgb(153, 188, 81)
HSL	hsl(80, 44%, 53%)
HSV	hsv(80, 57%, 74%)
CMYK	cmyk(18.6%, 0%, 56.9%, 26.3%)
CIE-LAB	lab(71.78, -28.35, 49.38)
CIE-LCH	lch(71.78, 56.94, 119.86°)
OKLab	oklab(74.7% -0.0803 0.1154)
OKLCH	oklch(74.7% 0.141 124.9)
XYZ	xyz(32.6054, 43.3325, 14.4292)
Luminance	0.4333 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#99BC51 #7451BC

analogous

#BCA951 #99BC51 #64BC51

triadic

#99BC51 #5199BC #BC5199

tetradic

#99BC51 #51BCA9 #7451BC #BC5164

square

#99BC51 #51BCA9 #7451BC #BC5164

split-complementary

#99BC51 #5164BC #A951BC

monochromatic

#556A29 #78963A #99BC51 #B3CD7D #CDDEA9

Accessibility & contrast

On white

2.17

#99BC51 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

9.67

#99BC51 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #99BC51

9.67:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##99BC51	#FFFFFF	#000000	##000000
##99BC51	1.00	2.17	9.67	9.67
#FFFFFF	2.17	1.00	21.00	21.00
#000000	9.67	21.00	1.00	1.00
##000000	9.67	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#C5B146

Deuteranopia (green-blind)

#C1AF58

Tritanopia (blue-blind)

#9FB4A5

Achromatopsia (no color)

#B0B0B0

Design tokens & code

CSS

--color: #99bc51;
/* rgb */ color: rgb(153, 188, 81);
/* oklch */ color: oklch(74.7% 0.141 124.9);

Tailwind

colors: {
  custom: {
    50: '#b9d085',
    500: '#99bc51',
    950: '#000000',
  },
}

SCSS

$custom: #99bc51;
$custom-light: #b9d085;
$custom-dark: #000000;

JSON

{
  "hex": "#99bc51",
  "rgb": {
    "r": 153,
    "g": 188,
    "b": 81
  },
  "hsl": {
    "h": 79.626,
    "s": 44.398,
    "l": 52.745
  },
  "oklch": {
    "l": 0.74697,
    "c": 0.14058,
    "h": 124.9
  },
  "luminance": 0.43333
}

Semantic roles & 50–950 ramp

primary

#99BC51

secondary

#AC9DCC

accent

#54D47E

background

#FBFCF8

surface

#F6F9EF

border

#D0D2CA

text

#12140B

muted

#81827C

Preview Lab

Preview with #99BC51

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

Preview Lab → · Contrast checker → · Palette generator →