#31AA56
Closest named color: Medium Green (#39AD48). oklch(65.3% 0.161 149.4), rgb(49, 170, 86).
Aa
Black text reads best on this color (7.01:1).
About this color
#31AA56 is a medium-light, vivid green. In OKLCH its lightness is 65%, its chroma 0.161 and its hue 149°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Medium Green (#39AD48), ΔE 0.020 away. Black text reads best on it, at 7.01:1.
| Hue family | Greens |
| Lightness | medium-light (65%) |
| Chroma | vivid (0.161) |
| Temperature | in between |
| Nearest name | Medium Green (#39AD48) |
| Black text | 7.01:1 |
| White text | 2.99:1 |
Values
| HEX | #31AA56 |
| RGB | rgb(49, 170, 86) |
| HSL | hsl(138, 55%, 43%) |
| OKLCH | oklch(65.3% 0.161 149.4) |
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 #31AA56 | 2.99:1 | Fails | Lc -61.5 | Content text, not long reading |
| Black text on #31AA56 | 7.01:1 | AAA | Lc 47.9 | Large or bold text, headings |
| #31AA56 text on white | 2.99:1 | Fails | Lc 56.2 | Large or bold text, headings |
| #31AA56 text on black | 7.01:1 | AAA | Lc -45.6 | 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 500.
-
Step 50
50
#F1F8F2
oklch(97.2% 0.011 149.9)
-
Step 100
100
#E0EEE2
oklch(93.5% 0.022 149.7)
-
Step 200
200
#C6E2CA
oklch(88.6% 0.044 149.4)
-
Step 300
300
#9DCFA5
oklch(80.8% 0.079 149.2)
-
Step 400
400
#62B675
oklch(70.6% 0.126 149.6)
-
Step 500
500 (this color)
#31AA56
oklch(65.3% 0.161 149.4)
-
Step 600
600
#008B3C
oklch(55.6% 0.155 149.4)
-
Step 700
700
#007531
oklch(49.1% 0.138 149.3)
-
Step 800
800
#006027
oklch(42.7% 0.12 149.3)
-
Step 900
900
#015020
oklch(37.7% 0.104 149.5)
-
Step 950
950
#072F13
oklch(27% 0.067 149.3)
#31AA56 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) | #AB9B4F | 0.131 |
| Deuteranopia (no green cones) | #9D915C | 0.130 |
| Tritanopia (no blue cones) | #00A796 | 0.090 |
| Achromatopsia (no color) | #959595 | 0.162 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #31AA56
#31AA56
oklch(65.3% 0.161 149.4)
- #C467BF
#C467BF
oklch(65.2% 0.161 329.2)
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 #31AA56, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Medium Green #39AD48 ΔE 0.020
- Mid Green #50A747 ΔE 0.021
- Jade Green #2BAF6A ΔE 0.024
- Seaweed Green #35AD6B ΔE 0.026
- Dark Pastel Green #56AE57 ΔE 0.030
- Shamrock #01B44C ΔE 0.036
- Algae #54AC68 ΔE 0.036
- Fern #63A950 ΔE 0.036
Use #31AA56 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.