#1FA551#1FA551

#1FA551 is a light, vivid green. Relative luminance 0.278; OKLCH L 63.5% C 0.164 H 150.1°. Best body text is #000000 at 6.56:1 contrast (WCAG AA passes).

Color values

HEX	#1FA551
RGB	rgb(31, 165, 81)
HSL	hsl(142, 68%, 38%)
HSV	hsv(142, 81%, 65%)
CMYK	cmyk(81.2%, 0%, 50.9%, 35.3%)
CIE-LAB	lab(59.70, -53.11, 33.76)
CIE-LCH	lch(59.70, 62.93, 147.56°)
OKLab	oklab(63.48% -0.1425 0.0819)
OKLCH	oklch(63.48% 0.164 150.1)
XYZ	xyz(15.5041, 27.7938, 12.3306)
Luminance	0.2780 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1FA551 #A51F73

analogous

#30A51F #1FA551 #1FA594

triadic

#1FA551 #511FA5 #A5511F

tetradic

#1FA551 #1F30A5 #A51F73 #A5941F

square

#1FA551 #1F30A5 #A51F73 #A5941F

split-complementary

#1FA551 #941FA5 #A51F30

monochromatic

#0C3E1E #157138 #1FA551 #2AD76B #5EE18F

Accessibility & contrast

On white

3.20

#1FA551 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.56

#1FA551 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #1FA551

6.56:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1FA551	#FFFFFF	#000000	##000000
##1FA551	1.00	3.20	6.56	6.56
#FFFFFF	3.20	1.00	21.00	21.00
#000000	6.56	21.00	1.00	1.00
##000000	6.56	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#A6964A

Deuteranopia (green-blind)

#978C57

Tritanopia (blue-blind)

#00A291

Achromatopsia (no color)

#909090

Design tokens & code

CSS

--color: #1fa551;
/* rgb */ color: rgb(31, 165, 81);
/* oklch */ color: oklch(63.5% 0.164 150.1);

Tailwind

colors: {
  custom: {
    50: '#73c183',
    500: '#1fa551',
    950: '#000000',
  },
}

SCSS

$custom: #1fa551;
$custom-light: #73c183;
$custom-dark: #000000;

JSON

{
  "hex": "#1fa551",
  "rgb": {
    "r": 31,
    "g": 165,
    "b": 81
  },
  "hsl": {
    "h": 142.388,
    "s": 68.367,
    "l": 38.431
  },
  "oklch": {
    "l": 0.6348,
    "c": 0.1644,
    "h": 150.1
  },
  "luminance": 0.27796
}

Semantic roles & 50–950 ramp

primary

#1FA551

secondary

#C55B9D

accent

#3DAAEB

background

#F7FCF8

surface

#EEF8EF

border

#C9D1CA

text

#09120B

muted

#7B817C

Preview Lab

Preview with #1FA551

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

Preview Lab → · Contrast checker → · Palette generator →