#31A741
Closest named color: Medium Green (#39AD48). oklch(64.2% 0.176 145.2), rgb(49, 167, 65).
Aa
Black text reads best on this color (6.73:1).
About this color
#31A741 is a medium-light, vivid green. In OKLCH its lightness is 64%, its chroma 0.176 and its hue 145°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Medium Green (#39AD48), ΔE 0.019 away. Black text reads best on it, at 6.73:1.
| Hue family | Greens |
| Lightness | medium-light (64%) |
| Chroma | vivid (0.176) |
| Temperature | in between |
| Nearest name | Medium Green (#39AD48) |
| Black text | 6.73:1 |
| White text | 3.11:1 |
Values
| HEX | #31A741 |
| RGB | rgb(49, 167, 65) |
| HSL | hsl(128, 55%, 42%) |
| OKLCH | oklch(64.2% 0.176 145.2) |
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 #31A741 | 3.11:1 | AA large text | Lc -63.1 | Content text, not long reading |
| Black text on #31A741 | 6.73:1 | AA | Lc 46.3 | Large or bold text, headings |
| #31A741 text on white | 3.11:1 | AA large text | Lc 57.7 | Large or bold text, headings |
| #31A741 text on black | 6.73:1 | AA | Lc -44.0 | Non-text elements, placeholder text |
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
#F1F8F1
oklch(97.2% 0.012 145.5)
-
Step 100
100
#E0EFE0
oklch(93.7% 0.026 145.4)
-
Step 200
200
#C6E2C6
oklch(88.5% 0.048 145.2)
-
Step 300
300
#9ED09F
oklch(81% 0.086 145.2)
-
Step 400
400
#64B769
oklch(70.7% 0.138 145.2)
-
Step 500
500 (this color)
#31A741
oklch(64.2% 0.176 145.2)
-
Step 600
600
#008C26
oklch(55.6% 0.174 145.3)
-
Step 700
700
#00761E
oklch(49.2% 0.154 145.2)
-
Step 800
800
#006117
oklch(42.8% 0.134 145.2)
-
Step 900
900
#055014
oklch(37.6% 0.114 145.2)
-
Step 950
950
#092F0D
oklch(26.9% 0.072 144.9)
#31A741 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) | #AA9836 | 0.132 |
| Deuteranopia (no green cones) | #9C8E49 | 0.132 |
| Tritanopia (no blue cones) | #00A391 | 0.107 |
| Achromatopsia (no color) | #929292 | 0.177 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #31A741
#31A741
oklch(64.2% 0.176 145.2)
- #C061C6
#C061C6
oklch(64.2% 0.175 325.1)
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 #31A741, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Medium Green #39AD48 ΔE 0.019
- Mid Green #50A747 ΔE 0.023
- Kelly Green #02AB2E ΔE 0.027
- Shamrock #01B44C ΔE 0.036
- Grass #5CAC2D ΔE 0.038
- Grassy Green #419C03 ΔE 0.039
- Grass Green #3F9B0B ΔE 0.040
- Leaf Green #5CA904 ΔE 0.041
Use #31A741 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.