#31BC71
Closest named color: Dark Mint Green (#20C073). oklch(70.5% 0.16 154.4), rgb(49, 188, 113).
Aa
Black text reads best on this color (8.56:1).
About this color
#31BC71 is a medium-light, vivid green. In OKLCH its lightness is 70%, its chroma 0.160 and its hue 154°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Dark Mint Green (#20C073), ΔE 0.011 away. Black text reads best on it, at 8.56:1.
| Hue family | Greens |
| Lightness | medium-light (70%) |
| Chroma | vivid (0.160) |
| Temperature | in between |
| Nearest name | Dark Mint Green (#20C073) |
| Black text | 8.56:1 |
| White text | 2.45:1 |
Values
| HEX | #31BC71 |
| RGB | rgb(49, 188, 113) |
| HSL | hsl(148, 59%, 46%) |
| OKLCH | oklch(70.5% 0.16 154.4) |
Contrast
WCAG 2 contrast ratios are the conformance target: AA needs 4.5:1 for body text and 3:1 for large text, AAA needs 7:1. APCA Lc values are supplementary guidance from the WCAG 3 drafts.
| Pair | WCAG 2 | Result | APCA | APCA guidance |
|---|---|---|---|---|
| White text on #31BC71 | 2.45:1 | Fails | Lc -52.8 | Large or bold text, headings |
| Black text on #31BC71 | 8.56:1 | AAA | Lc 56.2 | Large or bold text, headings |
| #31BC71 text on white | 2.45:1 | Fails | Lc 47.8 | Large or bold text, headings |
| #31BC71 text on black | 8.56:1 | AAA | Lc -54.2 | Large or bold text, headings |
Tints and shades
A 50–950 scale built in OKLCH: the hue is held, lightness follows a Tailwind v4-like curve, and every step is kept inside the sRGB gamut. This color sits at step 400.
-
Step 50
50
#EFF8F1
oklch(97% 0.013 152.6)
-
Step 100
100
#DCF0E1
oklch(93.6% 0.029 153.3)
-
Step 200
200
#BDE5C9
oklch(88.6% 0.057 154.6)
-
Step 300
300
#8BD4A4
oklch(80.9% 0.1 154.7)
-
Step 400
400 (this color)
#31BC71
oklch(70.5% 0.16 154.4)
-
Step 500
500
#00A45C
oklch(63.1% 0.158 154.5)
-
Step 600
600
#008A4C
oklch(55.6% 0.139 154.3)
-
Step 700
700
#00743F
oklch(49.1% 0.123 154.3)
-
Step 800
800
#005F33
oklch(42.6% 0.106 154.6)
-
Step 900
900
#004F2A
oklch(37.6% 0.093 154.9)
-
Step 950
950
#003017
oklch(27.1% 0.068 154.6)
#31BC71 with color blindness
Simulated with the Machado et al. (2009) model. ΔE is how far the color moves: below about 0.02 you would not notice a change.
| Vision | Seen as | Shift (ΔE) |
|---|---|---|
| Protanopia (no red cones) | #BCAD6C | 0.141 |
| Deuteranopia (no green cones) | #ABA176 | 0.138 |
| Tritanopia (no blue cones) | #00BAA9 | 0.079 |
| Achromatopsia (no color) | #A5A5A5 | 0.161 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #31BC71
#31BC71
oklch(70.5% 0.16 154.4)
- #DA76C8
#DA76C8
oklch(70.4% 0.159 334.2)
Analogous
Neighbouring hues, 30° either side.
Split complementary
The two hues beside the complement (150° and 210°).
Triadic
Three hues spaced 120° apart.
Palettes with this color
Curated palettes that contain a color within ΔE 0.04 (OKLab) of #31BC71, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Mint Green #20C073 ΔE 0.011
- Cool Green #33B864 ΔE 0.017
- Dark Mint #48C072 ΔE 0.018
- Algae Green #21C36F ΔE 0.021
- Medium Sea Green #3CB371 ΔE 0.026
- Green Teal #0CB577 ΔE 0.027
- Dark Seafoam #1FB57A ΔE 0.028
- Greenblue #23C48B ΔE 0.034
Use #31BC71 in your product
Turn it into light and dark UI roles checked for contrast, then export to Tailwind v4, shadcn/ui, CSS or design tokens.