#31BC77
Closest named color: Dark Mint Green (#20C073). oklch(70.6% 0.154 156.4), rgb(49, 188, 119).
Aa
Black text reads best on this color (8.59:1).
About this color
#31BC77 is a medium-light, vivid green. In OKLCH its lightness is 71%, its chroma 0.154 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 0.015 away. Black text reads best on it, at 8.59:1.
| Hue family | Greens |
| Lightness | medium-light (71%) |
| Chroma | vivid (0.154) |
| Temperature | in between |
| Nearest name | Dark Mint Green (#20C073) |
| Black text | 8.59:1 |
| White text | 2.44:1 |
Values
| HEX | #31BC77 |
| RGB | rgb(49, 188, 119) |
| HSL | hsl(150, 59%, 46%) |
| OKLCH | oklch(70.6% 0.154 156.4) |
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 #31BC77 | 2.44:1 | Fails | Lc -52.6 | Large or bold text, headings |
| Black text on #31BC77 | 8.59:1 | AAA | Lc 56.3 | Large or bold text, headings |
| #31BC77 text on white | 2.44:1 | Fails | Lc 47.6 | Large or bold text, headings |
| #31BC77 text on black | 8.59:1 | AAA | Lc -54.4 | 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
#BDE4CB
oklch(88.4% 0.053 157)
-
Step 300
300
#8BD4A7
oklch(81% 0.097 156.4)
-
Step 400
400 (this color)
#31BC77
oklch(70.6% 0.154 156.4)
-
Step 500
500
#00A461
oklch(63.2% 0.153 156.1)
-
Step 600
600
#008A51
oklch(55.7% 0.135 156.2)
-
Step 700
700
#007443
oklch(49.1% 0.119 156.1)
-
Step 800
800
#005F36
oklch(42.7% 0.103 156.1)
-
Step 900
900
#004F2D
oklch(37.6% 0.09 156.8)
-
Step 950
950
#002F19
oklch(26.9% 0.064 157.1)
#31BC77 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) | #BBAD72 | 0.139 |
| Deuteranopia (no green cones) | #AAA17C | 0.136 |
| Tritanopia (no blue cones) | #00BAAA | 0.073 |
| Achromatopsia (no color) | #A6A6A6 | 0.156 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #31BC77
#31BC77
oklch(70.6% 0.154 156.4)
- #DB77C4
#DB77C4
oklch(70.6% 0.155 336.4)
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 #31BC77, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Mint Green #20C073 ΔE 0.015
- Dark Mint #48C072 ΔE 0.020
- Cool Green #33B864 ΔE 0.023
- Dark Seafoam #1FB57A ΔE 0.024
- Medium Sea Green #3CB371 ΔE 0.025
- Green Teal #0CB577 ΔE 0.025
- Algae Green #21C36F ΔE 0.026
- Green Blue #01C08D ΔE 0.027
Use #31BC77 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.