#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
RGB	rgb(81, 242, 123)
HSL	hsl(136, 86%, 63%)
HSV	hsv(136, 67%, 95%)
CMYK	cmyk(66.5%, 0%, 49.2%, 5.1%)
CIE-LAB	lab(85.34, -66.17, 45.22)
CIE-LCH	lch(85.34, 80.15, 145.65°)
OKLab	oklab(85.13% -0.1784 0.1096)
OKLCH	oklch(85.13% 0.209 148.4)
XYZ	xyz(38.7177, 66.6795, 29.5650)
Luminance	0.6668 (WCAG relative)
Temperature	neutral
Family	green

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
##51F27B	1.00	1.46	14.34	14.34
#FFFFFF	1.46	1.00	21.00	21.00
#000000	14.34	21.00	1.00	1.00
##000000	14.34	21.00	1.00	1.00

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 →