#99EC4D#99EC4D

#99EC4D is a very light, highly saturated yellow-green. Relative luminance 0.673; OKLCH L 85.9% C 0.206 H 133.0°. Best body text is #000000 at 14.46:1 contrast (WCAG AA passes).

Color values

HEX	#99EC4D
RGB	rgb(153, 236, 77)
HSL	hsl(91, 81%, 61%)
HSV	hsv(91, 67%, 93%)
CMYK	cmyk(35.2%, 0%, 67.4%, 7.5%)
CIE-LAB	lab(85.65, -50.00, 66.18)
CIE-LCH	lch(85.65, 82.94, 127.07°)
OKLab	oklab(85.95% -0.1403 0.1505)
OKLCH	oklch(85.95% 0.206 133)
XYZ	xyz(44.4712, 67.2972, 17.6662)
Luminance	0.6730 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Spring Green (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#99EC4D #A04DEC

analogous

#E8EC4D #99EC4D #4DEC51

triadic

#99EC4D #4D99EC #EC4D99

tetradic

#99EC4D #4DE8EC #A04DEC #EC514D

square

#99EC4D #4DE8EC #A04DEC #EC514D

split-complementary

#99EC4D #514DEC #EC4DE8

monochromatic

#5CAC12 #79E418 #99EC4D #B9F284 #D8F8BC

Accessibility & contrast

On white

1.45

#99EC4D on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

14.46

#99EC4D on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #99EC4D

14.46:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##99EC4D	#FFFFFF	#000000	##000000
##99EC4D	1.00	1.45	14.46	14.46
#FFFFFF	1.45	1.00	21.00	21.00
#000000	14.46	21.00	1.00	1.00
##000000	14.46	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#F5DA36

Deuteranopia (green-blind)

#EAD45B

Tritanopia (blue-blind)

#9AE3CC

Achromatopsia (no color)

#D6D6D6

Design tokens & code

CSS

--color: #99ec4d;
/* rgb */ color: rgb(153, 236, 77);
/* oklch */ color: oklch(85.9% 0.206 133.0);

Tailwind

colors: {
  custom: {
    50: '#bcf287',
    500: '#99ec4d',
    950: '#000000',
  },
}

SCSS

$custom: #99ec4d;
$custom-light: #bcf287;
$custom-dark: #000000;

JSON

{
  "hex": "#99ec4d",
  "rgb": {
    "r": 153,
    "g": 236,
    "b": 77
  },
  "hsl": {
    "h": 91.321,
    "s": 80.711,
    "l": 61.373
  },
  "oklch": {
    "l": 0.85946,
    "c": 0.20572,
    "h": 133
  },
  "luminance": 0.67299
}

Semantic roles & 50–950 ramp

primary

#99EC4D

secondary

#7130AD

accent

#08DD77

background

#FDFFFC

surface

#F9FEF4

border

#D2D6CE

text

#12170C

muted

#82857F

Preview Lab

Preview with #99EC4D

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

Preview Lab → · Contrast checker → · Palette generator →