#A3F251#A3F251

#A3F251 is a very light, highly saturated yellow-green. Relative luminance 0.719; OKLCH L 87.9% C 0.205 H 131.9°. Best body text is #000000 at 15.38:1 contrast (WCAG AA passes).

Color values

HEX	#A3F251
RGB	rgb(163, 242, 81)
HSL	hsl(89, 86%, 63%)
HSV	hsv(89, 67%, 95%)
CMYK	cmyk(32.6%, 0%, 66.5%, 5.1%)
CIE-LAB	lab(87.91, -48.78, 67.18)
CIE-LCH	lch(87.91, 83.03, 125.99°)
OKLab	oklab(87.93% -0.1372 0.153)
OKLCH	oklch(87.93% 0.206 131.9)
XYZ	xyz(48.3410, 71.8831, 19.1108)
Luminance	0.7188 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Spring Green (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#A3F251 #A051F2

analogous

#F2F051 #A3F251 #52F251

triadic

#A3F251 #51A3F2 #F251A3

tetradic

#A3F251 #51F2F0 #A051F2 #F25152

square

#A3F251 #51F2F0 #A051F2 #F25152

split-complementary

#A3F251 #5152F2 #F051F2

monochromatic

#66BB0E #85EE18 #A3F251 #C1F68A #DFFBC3

Accessibility & contrast

On white

1.37

#A3F251 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

15.38

#A3F251 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #A3F251

15.38:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##A3F251	#FFFFFF	#000000	##000000
##A3F251	1.00	1.37	15.38	15.38
#FFFFFF	1.37	1.00	21.00	21.00
#000000	15.38	21.00	1.00	1.00
##000000	15.38	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#FCE03A

Deuteranopia (green-blind)

#F1DA5F

Tritanopia (blue-blind)

#A5E8D1

Achromatopsia (no color)

#DCDCDC

Design tokens & code

CSS

--color: #a3f251;
/* rgb */ color: rgb(163, 242, 81);
/* oklch */ color: oklch(87.9% 0.205 131.9);

Tailwind

colors: {
  custom: {
    50: '#c3f78a',
    500: '#a3f251',
    950: '#000000',
  },
}

SCSS

$custom: #a3f251;
$custom-light: #c3f78a;
$custom-dark: #000000;

JSON

{
  "hex": "#a3f251",
  "rgb": {
    "r": 163,
    "g": 242,
    "b": 81
  },
  "hsl": {
    "h": 89.441,
    "s": 86.096,
    "l": 63.333
  },
  "oklch": {
    "l": 0.8793,
    "c": 0.2055,
    "h": 131.9
  },
  "luminance": 0.71885
}

Semantic roles & 50–950 ramp

primary

#A3F251

secondary

#722EB9

accent

#03E371

background

#FDFFFC

surface

#F9FEF4

border

#D2D6CE

text

#13170C

muted

#82857F

Preview Lab

Preview with #A3F251

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

Preview Lab → · Contrast checker → · Palette generator →