#1F983B#1F983B

#1F983B is a mid, vivid green. Relative luminance 0.231; OKLCH L 59.6% C 0.167 H 146.5°. Best body text is #000000 at 5.61:1 contrast (WCAG AA passes).

Color values

HEX	#1F983B
RGB	rgb(31, 152, 59)
HSL	hsl(134, 66%, 36%)
HSV	hsv(134, 80%, 60%)
CMYK	cmyk(79.6%, 0%, 61.2%, 40.4%)
CIE-LAB	lab(55.14, -51.80, 39.14)
CIE-LCH	lch(55.14, 64.93, 142.92°)
OKLab	oklab(59.61% -0.1394 0.0923)
OKLCH	oklch(59.61% 0.167 146.5)
XYZ	xyz(12.5818, 23.0620, 7.9251)
Luminance	0.2306 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1F983B #981F7C

analogous

#40981F #1F983B #1F9877

triadic

#1F983B #3B1F98 #983B1F

tetradic

#1F983B #1F4098 #981F7C #98771F

square

#1F983B #1F4098 #981F7C #98771F

split-complementary

#1F983B #771F98 #981F40

monochromatic

#0A3214 #156527 #1F983B #29CB4F #55DC74

Accessibility & contrast

On white

3.74

#1F983B on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.61

#1F983B on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #1F983B

5.61:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1F983B	#FFFFFF	#000000	##000000
##1F983B	1.00	3.74	5.61	5.61
#FFFFFF	3.74	1.00	21.00	21.00
#000000	5.61	21.00	1.00	1.00
##000000	5.61	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#9A8A31

Deuteranopia (green-blind)

#8D8043

Tritanopia (blue-blind)

#009484

Achromatopsia (no color)

#848484

Design tokens & code

CSS

--color: #1f983b;
/* rgb */ color: rgb(31, 152, 59);
/* oklch */ color: oklch(59.6% 0.167 146.5);

Tailwind

colors: {
  custom: {
    50: '#70b774',
    500: '#1f983b',
    950: '#000000',
  },
}

SCSS

$custom: #1f983b;
$custom-light: #70b774;
$custom-dark: #000000;

JSON

{
  "hex": "#1f983b",
  "rgb": {
    "r": 31,
    "g": 152,
    "b": 59
  },
  "hsl": {
    "h": 133.884,
    "s": 66.12,
    "l": 35.882
  },
  "oklch": {
    "l": 0.59607,
    "c": 0.16717,
    "h": 146.5
  },
  "luminance": 0.23064
}

Semantic roles & 50–950 ramp

primary

#1F983B

secondary

#C053A7

accent

#3FC2E9

background

#F7FBF7

surface

#EDF6ED

border

#C8D0C8

text

#091108

muted

#7B807B

Preview Lab

Preview with #1F983B

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

Preview Lab → · Contrast checker → · Palette generator →