#99EC4F#99EC4F

#99EC4F is a very light, highly saturated yellow-green. Relative luminance 0.673; OKLCH L 86.0% C 0.204 H 133.1°. Best body text is #000000 at 14.47:1 contrast (WCAG AA passes).

Color values

HEX	#99EC4F
RGB	rgb(153, 236, 79)
HSL	hsl(92, 81%, 62%)
HSV	hsv(92, 67%, 93%)
CMYK	cmyk(35.2%, 0%, 66.5%, 7.5%)
CIE-LAB	lab(85.67, -49.85, 65.43)
CIE-LCH	lch(85.67, 82.26, 127.30°)
OKLab	oklab(85.96% -0.1397 0.1492)
OKLCH	oklch(85.96% 0.204 133.1)
XYZ	xyz(44.5429, 67.3258, 18.0439)
Luminance	0.6733 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Spring Green (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#99EC4F #A24FEC

analogous

#E7EC4F #99EC4F #4FEC54

triadic

#99EC4F #4F99EC #EC4F99

tetradic

#99EC4F #4FE7EC #A24FEC #EC544F

square

#99EC4F #4FE7EC #A24FEC #EC544F

split-complementary

#99EC4F #544FEC #EC4FE7

monochromatic

#5CAE13 #79E519 #99EC4F #B9F286 #D9F8BD

Accessibility & contrast

On white

1.45

#99EC4F on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

14.47

#99EC4F on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #99EC4F

14.47:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##99EC4F	#FFFFFF	#000000	##000000
##99EC4F	1.00	1.45	14.47	14.47
#FFFFFF	1.45	1.00	21.00	21.00
#000000	14.47	21.00	1.00	1.00
##000000	14.47	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#F5DA39

Deuteranopia (green-blind)

#EAD45C

Tritanopia (blue-blind)

#9AE3CC

Achromatopsia (no color)

#D6D6D6

Design tokens & code

CSS

--color: #99ec4f;
/* rgb */ color: rgb(153, 236, 79);
/* oklch */ color: oklch(86.0% 0.204 133.1);

Tailwind

colors: {
  custom: {
    50: '#bcf288',
    500: '#99ec4f',
    950: '#000000',
  },
}

SCSS

$custom: #99ec4f;
$custom-light: #bcf288;
$custom-dark: #000000;

JSON

{
  "hex": "#99ec4f",
  "rgb": {
    "r": 153,
    "g": 236,
    "b": 79
  },
  "hsl": {
    "h": 91.72,
    "s": 80.513,
    "l": 61.765
  },
  "oklch": {
    "l": 0.85962,
    "c": 0.20439,
    "h": 133.1
  },
  "luminance": 0.67328
}

Semantic roles & 50–950 ramp

primary

#99EC4F

secondary

#7331AE

accent

#09DD79

background

#FDFFFC

surface

#F9FEF4

border

#D2D6CE

text

#12170C

muted

#82857F

Preview Lab

Preview with #99EC4F

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

Preview Lab → · Contrast checker → · Palette generator →