#51F27B#51F27B

#51F27B is a very light, highly saturated green. Relative luminance 0.667; OKLCH L 85.1% C 0.209 H 148.4°. Best body text is #000000 at 14.34:1 contrast (WCAG AA passes).

Color values

HEX#51F27B
RGBrgb(81, 242, 123)
HSLhsl(136, 86%, 63%)
HSVhsv(136, 67%, 95%)
CMYKcmyk(66.5%, 0%, 49.2%, 5.1%)
CIE-LABlab(85.34, -66.17, 45.22)
CIE-LCHlch(85.34, 80.15, 145.65°)
OKLaboklab(85.13% -0.1784 0.1096)
OKLCHoklch(85.13% 0.209 148.4)
XYZxyz(38.7177, 66.6795, 29.5650)
Luminance0.6668 (WCAG relative)
Temperatureneutral
Familygreen

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#51F27B #F251C8
analogous
#77F251 #51F27B #51F2CB
triadic
#51F27B #7B51F2 #F27B51
tetradic
#51F27B #5177F2 #F251C8 #F2CB51
square
#51F27B #5177F2 #F251C8 #F2CB51
split-complementary
#51F27B #CB51F2 #F25177
monochromatic
#0EBB3B #18EE50 #51F27B #8AF6A6 #C3FBD1

Accessibility & contrast

On white

1.46
#51F27B on #FFFFFF
AA ✗AA large ✗AAA ✗

On black

14.34
#51F27B on #000000
AA ✓AA large ✓AAA ✓

Best text color

#000000 on #51F27B
14.34:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##51F27B#FFFFFF#000000##000000
##51F27B1.001.4614.3414.34
#FFFFFF1.461.0021.0021.00
#00000014.3421.001.001.00
##00000014.3421.001.001.00

Color blindness preview

Protanopia (red-blind)
#F4DE71
Deuteranopia (green-blind)
#E1D084
Tritanopia (blue-blind)
#00EDD6
Achromatopsia (no color)
#D5D5D5

Design tokens & code

CSS
--color: #51f27b;
/* rgb */ color: rgb(81, 242, 123);
/* oklch */ color: oklch(85.1% 0.209 148.4);
Tailwind
colors: {
  custom: {
    50: '#94f7a3',
    500: '#51f27b',
    950: '#000000',
  },
}
SCSS
$custom: #51f27b;
$custom-light: #94f7a3;
$custom-dark: #000000;
JSON
{
  "hex": "#51f27b",
  "rgb": {
    "r": 81,
    "g": 242,
    "b": 123
  },
  "hsl": {
    "h": 135.652,
    "s": 86.096,
    "l": 63.333
  },
  "oklch": {
    "l": 0.85134,
    "c": 0.20936,
    "h": 148.4
  },
  "luminance": 0.66684
}

Semantic roles & 50–950 ramp

primary
#51F27B
secondary
#B92E95
accent
#03A8E3
background
#FCFFFC
surface
#F5FFF6
border
#CFD7D0
text
#0F170F
muted
#808580

Preview Lab

Preview with #51F27B

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

Preview Lab → · Contrast checker → · Palette generator →

#51F27B Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva