#31BD75
Closest named color: Dark Mint Green (#20C073). oklch(70.8% 0.158 155.5), rgb(49, 189, 117).
Aa
Black text reads best on this color (8.66:1).
About this color
#31BD75 is a medium-light, vivid green. In OKLCH its lightness is 71%, its chroma 0.158 and its hue 156°. 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 8.66:1.
| Hue family | Greens |
| Lightness | medium-light (71%) |
| Chroma | vivid (0.158) |
| Temperature | in between |
| Nearest name | Dark Mint Green (#20C073) |
| Black text | 8.66:1 |
| White text | 2.42:1 |
Values
| HEX | #31BD75 |
| RGB | rgb(49, 189, 117) |
| HSL | hsl(149, 59%, 47%) |
| OKLCH | oklch(70.8% 0.158 155.5) |
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 #31BD75 | 2.42:1 | Fails | Lc -52.2 | Large or bold text, headings |
| Black text on #31BD75 | 8.66:1 | AAA | Lc 56.7 | Large or bold text, headings |
| #31BD75 text on white | 2.42:1 | Fails | Lc 47.2 | Large or bold text, headings |
| #31BD75 text on black | 8.66:1 | AAA | Lc -54.8 | 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
#EFF8F2
oklch(97.1% 0.012 157)
-
Step 100
100
#DCF0E2
oklch(93.6% 0.028 155.3)
-
Step 200
200
#BDE4CA
oklch(88.4% 0.054 156)
-
Step 300
300
#8BD4A5
oklch(80.9% 0.099 155.3)
-
Step 400
400 (this color)
#31BD75
oklch(70.8% 0.158 155.5)
-
Step 500
500
#00A45F
oklch(63.2% 0.155 155.5)
-
Step 600
600
#008A4F
oklch(55.7% 0.136 155.4)
-
Step 700
700
#007442
oklch(49.1% 0.12 155.6)
-
Step 800
800
#005F35
oklch(42.7% 0.104 155.6)
-
Step 900
900
#004F2B
oklch(37.6% 0.092 155.5)
-
Step 950
950
#003018
oklch(27.2% 0.067 155.5)
#31BD75 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) | #BCAE70 | 0.140 |
| Deuteranopia (no green cones) | #ABA27A | 0.137 |
| Tritanopia (no blue cones) | #00BBAB | 0.077 |
| Achromatopsia (no color) | #A6A6A6 | 0.158 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #31BD75
#31BD75
oklch(70.8% 0.158 155.5)
- #DC77C7
#DC77C7
oklch(70.8% 0.158 335.4)
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 #31BD75, 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
- Dark Mint #48C072 ΔE 0.017
- Algae Green #21C36F ΔE 0.021
- Cool Green #33B864 ΔE 0.022
- Medium Sea Green #3CB371 ΔE 0.028
- Dark Seafoam #1FB57A ΔE 0.028
- Green Teal #0CB577 ΔE 0.028
- Greenblue #23C48B ΔE 0.029
Use #31BD75 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.