#99E54C#99E54C

#99E54C is a very light, vivid yellow-green. Relative luminance 0.633; OKLCH L 84.3% C 0.198 H 132.1°. Best body text is #000000 at 13.67:1 contrast (WCAG AA passes).

Color values

HEX	#99E54C
RGB	rgb(153, 229, 76)
HSL	hsl(90, 75%, 60%)
HSV	hsv(90, 67%, 90%)
CMYK	cmyk(33.2%, 0%, 66.8%, 10.2%)
CIE-LAB	lab(83.62, -47.16, 64.43)
CIE-LCH	lch(83.62, 79.85, 126.20°)
OKLab	oklab(84.28% -0.1326 0.1467)
OKLCH	oklch(84.28% 0.198 132.1)
XYZ	xyz(42.4602, 63.3311, 16.8230)
Luminance	0.6333 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Spring Green (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#99E54C #984CE5

analogous

#E5E54C #99E54C #4DE54C

triadic

#99E54C #4C99E5 #E54C99

tetradic

#99E54C #4CE5E5 #984CE5 #E54C4D

square

#99E54C #4CE5E5 #984CE5 #E54C4D

split-complementary

#99E54C #4C4DE5 #E54CE5

monochromatic

#5C9F17 #7AD51F #99E54C #B7ED81 #D6F5B7

Accessibility & contrast

On white

1.54

#99E54C on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

13.67

#99E54C on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #99E54C

13.67:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##99E54C	#FFFFFF	#000000	##000000
##99E54C	1.00	1.54	13.67	13.67
#FFFFFF	1.54	1.00	21.00	21.00
#000000	13.67	21.00	1.00	1.00
##000000	13.67	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#EED436

Deuteranopia (green-blind)

#E4CE59

Tritanopia (blue-blind)

#9BDCC6

Achromatopsia (no color)

#D0D0D0

Design tokens & code

CSS

--color: #99e54c;
/* rgb */ color: rgb(153, 229, 76);
/* oklch */ color: oklch(84.3% 0.198 132.1);

Tailwind

colors: {
  custom: {
    50: '#bced86',
    500: '#99e54c',
    950: '#000000',
  },
}

SCSS

$custom: #99e54c;
$custom-light: #bced86;
$custom-dark: #000000;

JSON

{
  "hex": "#99e54c",
  "rgb": {
    "r": 153,
    "g": 229,
    "b": 76
  },
  "hsl": {
    "h": 89.804,
    "s": 74.634,
    "l": 59.804
  },
  "oklch": {
    "l": 0.84282,
    "c": 0.19773,
    "h": 132.1
  },
  "luminance": 0.63333
}

Semantic roles & 50–950 ramp

primary

#99E54C

secondary

#6A33A2

accent

#37F193

background

#FDFFFC

surface

#F9FEF3

border

#D2D6CD

text

#12160C

muted

#82857F

Preview Lab

Preview with #99E54C

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

Preview Lab → · Contrast checker → · Palette generator →