#51A026#51A026

#51A026 is a light, vivid yellow-green. Relative luminance 0.270; OKLCH L 63.1% C 0.172 H 137.0°. Best body text is #000000 at 6.41:1 contrast (WCAG AA passes).

Color values

HEX	#51A026
RGB	rgb(81, 160, 38)
HSL	hsl(99, 62%, 39%)
HSV	hsv(99, 76%, 63%)
CMYK	cmyk(49.4%, 0%, 76.3%, 37.3%)
CIE-LAB	lab(59.00, -45.42, 52.41)
CIE-LCH	lch(59.00, 69.35, 130.91°)
OKLab	oklab(63.15% -0.126 0.1173)
OKLCH	oklch(63.15% 0.172 137)
XYZ	xyz(16.3135, 27.0298, 6.1910)
Luminance	0.2703 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#51A026 #7526A0

analogous

#8EA026 #51A026 #26A038

triadic

#51A026 #2651A0 #A02651

tetradic

#51A026 #268EA0 #7526A0 #A03826

square

#51A026 #268EA0 #7526A0 #A03826

split-complementary

#51A026 #3826A0 #A0268E

monochromatic

#1F3D0F #386F1A #51A026 #6BCF34 #8FDB66

Accessibility & contrast

On white

3.28

#51A026 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.41

#51A026 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #51A026

6.41:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##51A026	#FFFFFF	#000000	##000000
##51A026	1.00	3.28	6.41	6.41
#FFFFFF	3.28	1.00	21.00	21.00
#000000	6.41	21.00	1.00	1.00
##000000	6.41	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#A5920A

Deuteranopia (green-blind)

#9B8C33

Tritanopia (blue-blind)

#4C9A89

Achromatopsia (no color)

#8E8E8E

Design tokens & code

CSS

--color: #51a026;
/* rgb */ color: rgb(81, 160, 38);
/* oklch */ color: oklch(63.1% 0.172 137.0);

Tailwind

colors: {
  custom: {
    50: '#89bd69',
    500: '#51a026',
    950: '#000000',
  },
}

SCSS

$custom: #51a026;
$custom-light: #89bd69;
$custom-dark: #000000;

JSON

{
  "hex": "#51a026",
  "rgb": {
    "r": 81,
    "g": 160,
    "b": 38
  },
  "hsl": {
    "h": 98.852,
    "s": 61.616,
    "l": 38.824
  },
  "oklch": {
    "l": 0.63146,
    "c": 0.17221,
    "h": 137
  },
  "luminance": 0.27031
}

Semantic roles & 50–950 ramp

primary

#51A026

secondary

#9F61C0

accent

#43E5AC

background

#F8FBF6

surface

#F0F6EB

border

#CBD0C6

text

#0C1207

muted

#7D817A

Preview Lab

Preview with #51A026

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

Preview Lab → · Contrast checker → · Palette generator →