#51BF7E#51BF7E

#51BF7E is a light, vivid green. Relative luminance 0.405; OKLCH L 72.4% C 0.139 H 154.7°. Best body text is #000000 at 9.10:1 contrast (WCAG AA passes).

Color values

HEX#51BF7E
RGBrgb(81, 191, 126)
HSLhsl(145, 46%, 53%)
HSVhsv(145, 58%, 75%)
CMYKcmyk(57.6%, 0%, 34%, 25.1%)
CIE-LABlab(69.83, -46.29, 23.60)
CIE-LCHlch(69.83, 51.96, 152.98°)
OKLaboklab(72.39% -0.1258 0.0594)
OKLCHoklch(72.39% 0.139 154.7)
XYZxyz(25.7880, 40.5149, 26.1958)
Luminance0.4052 (WCAG relative)
Temperatureneutral
Familygreen

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#51BF7E #BF5192
analogous
#5BBF51 #51BF7E #51BFB5
triadic
#51BF7E #7E51BF #BF7E51
tetradic
#51BF7E #515BBF #BF5192 #BFB551
square
#51BF7E #515BBF #BF5192 #BFB551
split-complementary
#51BF7E #B551BF #BF515B
monochromatic
#286D45 #399A61 #51BF7E #7ECF9F #AAE0C0

Accessibility & contrast

On white

2.31
#51BF7E on #FFFFFF
AA ✗AA large ✗AAA ✗

On black

9.10
#51BF7E on #000000
AA ✓AA large ✓AAA ✓

Best text color

#000000 on #51BF7E
9.10:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##51BF7E#FFFFFF#000000##000000
##51BF7E1.002.319.109.10
#FFFFFF2.311.0021.0021.00
#0000009.1021.001.001.00
##0000009.1021.001.001.00

Color blindness preview

Protanopia (red-blind)
#BFB17A
Deuteranopia (green-blind)
#AFA682
Tritanopia (blue-blind)
#2DBDAE
Achromatopsia (no color)
#ABABAB

Design tokens & code

CSS
--color: #51bf7e;
/* rgb */ color: rgb(81, 191, 126);
/* oklch */ color: oklch(72.4% 0.139 154.7);
Tailwind
colors: {
  custom: {
    50: '#8bd3a3',
    500: '#51bf7e',
    950: '#000000',
  },
}
SCSS
$custom: #51bf7e;
$custom-light: #8bd3a3;
$custom-dark: #000000;
JSON
{
  "hex": "#51bf7e",
  "rgb": {
    "r": 81,
    "g": 191,
    "b": 126
  },
  "hsl": {
    "h": 144.545,
    "s": 46.218,
    "l": 53.333
  },
  "oklch": {
    "l": 0.72392,
    "c": 0.13911,
    "h": 154.7
  },
  "luminance": 0.40517
}

Semantic roles & 50–950 ramp

primary
#51BF7E
secondary
#CE9EBA
accent
#52A0D6
background
#F9FDFA
surface
#F1FAF4
border
#CBD3CE
text
#0D140F
muted
#7E837F

Preview Lab

Preview with #51BF7E

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

Preview Lab → · Contrast checker → · Palette generator →

#51BF7E Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva