#1FB431#1FB431

#1FB431 is a light, highly saturated green. Relative luminance 0.332; OKLCH L 67.2% C 0.207 H 144.1°. Best body text is #000000 at 7.63:1 contrast (WCAG AA passes).

Color values

HEX	#1FB431
RGB	rgb(31, 180, 49)
HSL	hsl(127, 71%, 41%)
HSV	hsv(127, 83%, 71%)
CMYK	cmyk(82.8%, 0%, 72.8%, 29.4%)
CIE-LAB	lab(64.28, -61.94, 53.33)
CIE-LCH	lch(64.28, 81.73, 139.27°)
OKLab	oklab(67.18% -0.1674 0.1212)
OKLCH	oklch(67.18% 0.207 144.1)
XYZ	xyz(17.4395, 33.1534, 8.3853)
Luminance	0.3316 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1FB431 #B41FA2

analogous

#58B41F #1FB431 #1FB47C

triadic

#1FB431 #311FB4 #B4311F

tetradic

#1FB431 #1F58B4 #B41FA2 #B47C1F

square

#1FB431 #1F58B4 #B41FA2 #B47C1F

split-complementary

#1FB431 #7C1FB4 #B41F58

monochromatic

#0D4C15 #168023 #1FB431 #34DC48 #68E577

Accessibility & contrast

On white

2.75

#1FB431 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.63

#1FB431 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #1FB431

7.63:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1FB431	#FFFFFF	#000000	##000000
##1FB431	1.00	2.75	7.63	7.63
#FFFFFF	2.75	1.00	21.00	21.00
#000000	7.63	21.00	1.00	1.00
##000000	7.63	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#B7A21A

Deuteranopia (green-blind)

#A8983F

Tritanopia (blue-blind)

#00AF9A

Achromatopsia (no color)

#9C9C9C

Design tokens & code

CSS

--color: #1fb431;
/* rgb */ color: rgb(31, 180, 49);
/* oklch */ color: oklch(67.2% 0.207 144.1);

Tailwind

colors: {
  custom: {
    50: '#78cc71',
    500: '#1fb431',
    950: '#000000',
  },
}

SCSS

$custom: #1fb431;
$custom-light: #78cc71;
$custom-dark: #000000;

JSON

{
  "hex": "#1fb431",
  "rgb": {
    "r": 31,
    "g": 180,
    "b": 49
  },
  "hsl": {
    "h": 127.248,
    "s": 70.616,
    "l": 41.373
  },
  "oklch": {
    "l": 0.67183,
    "c": 0.20663,
    "h": 144.1
  },
  "luminance": 0.33156
}

Semantic roles & 50–950 ramp

primary

#1FB431

secondary

#CB64BE

accent

#3AD8ED

background

#F8FCF7

surface

#EFF9ED

border

#CAD2C8

text

#0B1308

muted

#7C827B

Preview Lab

Preview with #1FB431

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

Preview Lab → · Contrast checker → · Palette generator →