#31BF77
Closest named color: Dark Mint Green (#20C073). oklch(71.4% 0.158 155.8), rgb(49, 191, 119).
Aa
Black text reads best on this color (8.84:1).
About this color
#31BF77 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 0.009 away. Black text reads best on it, at 8.84:1.
| Hue family | Greens |
| Lightness | medium-light (71%) |
| Chroma | vivid (0.158) |
| Temperature | in between |
| Nearest name | Dark Mint Green (#20C073) |
| Black text | 8.84:1 |
| White text | 2.37:1 |
Values
| HEX | #31BF77 |
| RGB | rgb(49, 191, 119) |
| HSL | hsl(150, 59%, 47%) |
| OKLCH | oklch(71.4% 0.158 155.8) |
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 #31BF77 | 2.37:1 | Fails | Lc -51.2 | Large or bold text, headings |
| Black text on #31BF77 | 8.84:1 | AAA | Lc 57.7 | Large or bold text, headings |
| #31BF77 text on white | 2.37:1 | Fails | Lc 46.3 | Large or bold text, headings |
| #31BF77 text on black | 8.84:1 | AAA | Lc -55.7 | 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
#DBF0E2
oklch(93.6% 0.029 156.6)
-
Step 200
200
#BDE5CA
oklch(88.6% 0.056 155.6)
-
Step 300
300
#8AD4A6
oklch(80.9% 0.099 156.1)
-
Step 400
400 (this color)
#31BF77
oklch(71.4% 0.158 155.8)
-
Step 500
500
#00A460
oklch(63.2% 0.154 155.8)
-
Step 600
600
#008A50
oklch(55.7% 0.136 155.8)
-
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
#004F2C
oklch(37.6% 0.091 156.1)
-
Step 950
950
#002F18
oklch(26.8% 0.065 156.1)
#31BF77 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) | #BEB072 | 0.141 |
| Deuteranopia (no green cones) | #ADA37C | 0.140 |
| Tritanopia (no blue cones) | #00BDAD | 0.076 |
| Achromatopsia (no color) | #A8A8A8 | 0.159 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #31BF77
#31BF77
oklch(71.4% 0.158 155.8)
- #DE79C8
#DE79C8
oklch(71.4% 0.157 335.8)
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 #31BF77, closest first.
No curated palette has a color within ΔE 0.04 of #31BF77.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Mint Green #20C073 ΔE 0.009
- Dark Mint #48C072 ΔE 0.013
- Algae Green #21C36F ΔE 0.018
- Greenblue #23C48B ΔE 0.025
- Cool Green #33B864 ΔE 0.026
- Green Blue #01C08D ΔE 0.028
- Dark Seafoam #1FB57A ΔE 0.033
- Medium Sea Green #3CB371 ΔE 0.033
Use #31BF77 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.