#99D940#99D940

#99D940 is a light, vivid yellow-green. Relative luminance 0.568; OKLCH L 81.4% C 0.191 H 129.7°. Best body text is #000000 at 12.35:1 contrast (WCAG AA passes).

Color values

HEX	#99D940
RGB	rgb(153, 217, 64)
HSL	hsl(85, 67%, 55%)
HSV	hsv(85, 71%, 85%)
CMYK	cmyk(29.5%, 0%, 70.5%, 14.9%)
CIE-LAB	lab(80.05, -42.85, 65.24)
CIE-LCH	lch(80.05, 78.06, 123.30°)
OKLab	oklab(81.35% -0.1218 0.1468)
OKLCH	oklch(81.35% 0.191 129.7)
XYZ	xyz(38.8750, 56.7671, 13.7584)
Luminance	0.5677 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#99D940 #8040D9

analogous

#D9CC40 #99D940 #4DD940

triadic

#99D940 #4099D9 #D94099

tetradic

#99D940 #40D9CC #8040D9 #D9404D

square

#99D940 #40D9CC #8040D9 #D9404D

split-complementary

#99D940 #404DD9 #CC40D9

monochromatic

#58841A #7AB724 #99D940 #B4E373 #D0EDA6

Accessibility & contrast

On white

1.70

#99D940 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

12.35

#99D940 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #99D940

12.35:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##99D940	#FFFFFF	#000000	##000000
##99D940	1.00	1.70	12.35	12.35
#FFFFFF	1.70	1.00	21.00	21.00
#000000	12.35	21.00	1.00	1.00
##000000	12.35	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#E3C926

Deuteranopia (green-blind)

#DAC54E

Tritanopia (blue-blind)

#9DD0BB

Achromatopsia (no color)

#C6C6C6

Design tokens & code

CSS

--color: #99d940;
/* rgb */ color: rgb(153, 217, 64);
/* oklch */ color: oklch(81.4% 0.191 129.7);

Tailwind

colors: {
  custom: {
    50: '#bbe57e',
    500: '#99d940',
    950: '#000000',
  },
}

SCSS

$custom: #99d940;
$custom-light: #bbe57e;
$custom-dark: #000000;

JSON

{
  "hex": "#99d940",
  "rgb": {
    "r": 153,
    "g": 217,
    "b": 64
  },
  "hsl": {
    "h": 85.098,
    "s": 66.812,
    "l": 55.098
  },
  "oklch": {
    "l": 0.81351,
    "c": 0.1907,
    "h": 129.7
  },
  "luminance": 0.56768
}

Semantic roles & 50–950 ramp

primary

#99D940

secondary

#57328B

accent

#3EEA86

background

#FDFEFB

surface

#F9FCF2

border

#D2D5CC

text

#12150A

muted

#82847D

Preview Lab

Preview with #99D940

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

Preview Lab → · Contrast checker → · Palette generator →