#99EC65#99EC65

#99EC65 is a very light, vivid yellow-green. Relative luminance 0.677; OKLCH L 86.2% C 0.188 H 135.1°. Best body text is #000000 at 14.54:1 contrast (WCAG AA passes).

Color values

HEX	#99EC65
RGB	rgb(153, 236, 101)
HSL	hsl(97, 78%, 66%)
HSV	hsv(97, 57%, 93%)
CMYK	cmyk(35.2%, 0%, 57.2%, 7.5%)
CIE-LAB	lab(85.86, -47.96, 56.54)
CIE-LCH	lch(85.86, 74.14, 130.31°)
OKLab	oklab(86.18% -0.1329 0.1327)
OKLCH	oklch(86.18% 0.188 135.1)
XYZ	xyz(45.4803, 67.7008, 22.9806)
Luminance	0.6770 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Light Grass Green

#9AF764

ΔE00 2.46

Spring Green (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#99EC65 #B865EC

analogous

#DCEC65 #99EC65 #65EC74

triadic

#99EC65 #6599EC #EC6599

tetradic

#99EC65 #65DCEC #B865EC #EC7465

square

#99EC65 #65DCEC #B865EC #EC7465

split-complementary

#99EC65 #7465EC #EC65DC

monochromatic

#58BF18 #75E52F #99EC65 #BDF39B #E1F9D2

Accessibility & contrast

On white

1.44

#99EC65 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

14.54

#99EC65 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #99EC65

14.54:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##99EC65	#FFFFFF	#000000	##000000
##99EC65	1.00	1.44	14.54	14.54
#FFFFFF	1.44	1.00	21.00	21.00
#000000	14.54	21.00	1.00	1.00
##000000	14.54	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#F4DB57

Deuteranopia (green-blind)

#E8D46F

Tritanopia (blue-blind)

#98E4CF

Achromatopsia (no color)

#D7D7D7

Design tokens & code

CSS

--color: #99ec65;
/* rgb */ color: rgb(153, 236, 101);
/* oklch */ color: oklch(86.2% 0.188 135.1);

Tailwind

colors: {
  custom: {
    50: '#bbf295',
    500: '#99ec65',
    950: '#000000',
  },
}

SCSS

$custom: #99ec65;
$custom-light: #bbf295;
$custom-dark: #000000;

JSON

{
  "hex": "#99ec65",
  "rgb": {
    "r": 153,
    "g": 236,
    "b": 101
  },
  "hsl": {
    "h": 96.889,
    "s": 78.035,
    "l": 66.078
  },
  "oklch": {
    "l": 0.86177,
    "c": 0.1878,
    "h": 135.1
  },
  "luminance": 0.67703
}

Semantic roles & 50–950 ramp

primary

#99EC65

secondary

#8A38BE

accent

#0BDA8B

background

#FDFFFC

surface

#F9FEF5

border

#D2D6CF

text

#12170E

muted

#82857F

Preview Lab

Preview with #99EC65

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

Preview Lab → · Contrast checker → · Palette generator →