#31B458#31B458

#31B458 is a light, vivid green. Relative luminance 0.340; OKLCH L 68.0% C 0.172 H 148.9°. Best body text is #000000 at 7.80:1 contrast (WCAG AA passes).

Color values

HEX	#31B458
RGB	rgb(49, 180, 88)
HSL	hsl(138, 57%, 45%)
HSV	hsv(138, 73%, 71%)
CMYK	cmyk(72.8%, 0%, 51.1%, 29.4%)
CIE-LAB	lab(64.96, -54.84, 36.82)
CIE-LCH	lch(64.96, 66.05, 146.13°)
OKLab	oklab(67.95% -0.1476 0.0891)
OKLCH	oklch(67.95% 0.172 148.9)
XYZ	xyz(19.3478, 33.9979, 14.7732)
Luminance	0.3400 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#31B458 #B4318D

analogous

#4BB431 #31B458 #31B49A

triadic

#31B458 #5831B4 #B45831

tetradic

#31B458 #314BB4 #B4318D #B49A31

square

#31B458 #314BB4 #B4318D #B49A31

split-complementary

#31B458 #9A31B4 #B4314B

monochromatic

#175429 #248440 #31B458 #52D078 #82DD9D

Accessibility & contrast

On white

2.69

#31B458 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.80

#31B458 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #31B458

7.80:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##31B458	#FFFFFF	#000000	##000000
##31B458	1.00	2.69	7.80	7.80
#FFFFFF	2.69	1.00	21.00	21.00
#000000	7.80	21.00	1.00	1.00
##000000	7.80	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#B6A450

Deuteranopia (green-blind)

#A6995F

Tritanopia (blue-blind)

#00B09F

Achromatopsia (no color)

#9E9E9E

Design tokens & code

CSS

--color: #31b458;
/* rgb */ color: rgb(49, 180, 88);
/* oklch */ color: oklch(68.0% 0.172 148.9);

Tailwind

colors: {
  custom: {
    50: '#7ccc89',
    500: '#31b458',
    950: '#000000',
  },
}

SCSS

$custom: #31b458;
$custom-light: #7ccc89;
$custom-dark: #000000;

JSON

{
  "hex": "#31b458",
  "rgb": {
    "r": 49,
    "g": 180,
    "b": 88
  },
  "hsl": {
    "h": 137.863,
    "s": 57.205,
    "l": 44.902
  },
  "oklch": {
    "l": 0.67952,
    "c": 0.17237,
    "h": 148.9
  },
  "luminance": 0.34
}

Semantic roles & 50–950 ramp

primary

#31B458

secondary

#C67BB0

accent

#47B3E0

background

#F8FCF8

surface

#EFF9F0

border

#CAD2CB

text

#0B130C

muted

#7C827D

Preview Lab

Preview with #31B458

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

Preview Lab → · Contrast checker → · Palette generator →