#99F751#99F751

#99F751 is a very light, highly saturated yellow-green. Relative luminance 0.739; OKLCH L 88.6% C 0.217 H 134.3°. Best body text is #000000 at 15.78:1 contrast (WCAG AA passes).

Color values

HEX	#99F751
RGB	rgb(153, 247, 81)
HSL	hsl(94, 91%, 64%)
HSV	hsv(94, 67%, 97%)
CMYK	cmyk(38.1%, 0%, 67.2%, 3.1%)
CIE-LAB	lab(88.87, -54.17, 68.03)
CIE-LCH	lch(88.87, 86.97, 128.53°)
OKLab	oklab(88.58% -0.1513 0.1549)
OKLCH	oklch(88.58% 0.217 134.3)
XYZ	xyz(47.8819, 73.8856, 19.5214)
Luminance	0.7389 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Spring Green (survey)

#A9F971

ΔE00 3.11

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#99F751 #AF51F7

analogous

#ECF751 #99F751 #51F75C

triadic

#99F751 #5199F7 #F75199

tetradic

#99F751 #51ECF7 #AF51F7 #F75C51

square

#99F751 #51ECF7 #AF51F7 #F75C51

split-complementary

#99F751 #5C51F7 #F751EC

monochromatic

#5AC509 #77F416 #99F751 #BBFA8C #DEFCC6

Accessibility & contrast

On white

1.33

#99F751 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

15.78

#99F751 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #99F751

15.78:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##99F751	#FFFFFF	#000000	##000000
##99F751	1.00	1.33	15.78	15.78
#FFFFFF	1.33	1.00	21.00	21.00
#000000	15.78	21.00	1.00	1.00
##000000	15.78	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#FFE439

Deuteranopia (green-blind)

#F3DC60

Tritanopia (blue-blind)

#98EED6

Achromatopsia (no color)

#DFDFDF

Design tokens & code

CSS

--color: #99f751;
/* rgb */ color: rgb(153, 247, 81);
/* oklch */ color: oklch(88.6% 0.217 134.3);

Tailwind

colors: {
  custom: {
    50: '#bdfa8a',
    500: '#99f751',
    950: '#000000',
  },
}

SCSS

$custom: #99f751;
$custom-light: #bdfa8a;
$custom-dark: #000000;

JSON

{
  "hex": "#99f751",
  "rgb": {
    "r": 153,
    "g": 247,
    "b": 81
  },
  "hsl": {
    "h": 93.976,
    "s": 91.209,
    "l": 64.314
  },
  "oklch": {
    "l": 0.8858,
    "c": 0.21654,
    "h": 134.3
  },
  "luminance": 0.73888
}

Semantic roles & 50–950 ramp

primary

#99F751

secondary

#802BC2

accent

#00E682

background

#FDFFFC

surface

#F9FFF4

border

#D2D7CE

text

#13170C

muted

#82857F

Preview Lab

Preview with #99F751

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

Preview Lab → · Contrast checker → · Palette generator →