#31AF4D
Closest named color: Medium Green (#39AD48). oklch(66.5% 0.176 147), rgb(49, 175, 77).
Aa
Black text reads best on this color (7.36:1).
About this color
#31AF4D is a medium-light, vivid green. In OKLCH its lightness is 66%, its chroma 0.176 and its hue 147°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Medium Green (#39AD48), ΔE 0.006 away. Black text reads best on it, at 7.36:1.
| Hue family | Greens |
| Lightness | medium-light (66%) |
| Chroma | vivid (0.176) |
| Temperature | in between |
| Nearest name | Medium Green (#39AD48) |
| Black text | 7.36:1 |
| White text | 2.84:1 |
Values
| HEX | #31AF4D |
| RGB | rgb(49, 175, 77) |
| HSL | hsl(133, 56%, 44%) |
| OKLCH | oklch(66.5% 0.176 147) |
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 #31AF4D | 2.84:1 | Fails | Lc -59.4 | Large or bold text, headings |
| Black text on #31AF4D | 7.36:1 | AAA | Lc 49.9 | Large or bold text, headings |
| #31AF4D text on white | 2.84:1 | Fails | Lc 54.1 | Large or bold text, headings |
| #31AF4D text on black | 7.36:1 | AAA | Lc -47.7 | 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 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
#C5E2C7
oklch(88.4% 0.048 147.1)
-
Step 300
300
#9CD0A0
oklch(80.9% 0.086 146.7)
-
Step 400
400
#60B76C
oklch(70.6% 0.137 147)
-
Step 500
500 (this color)
#31AF4D
oklch(66.5% 0.176 147)
-
Step 600
600
#008B31
oklch(55.5% 0.165 147.1)
-
Step 700
700
#007528
oklch(49% 0.145 147.1)
-
Step 800
800
#00601F
oklch(42.6% 0.127 147)
-
Step 900
900
#005019
oklch(37.6% 0.111 147.2)
-
Step 950
950
#062F0F
oklch(26.9% 0.072 147)
#31AF4D 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) | #B19F44 | 0.137 |
| Deuteranopia (no green cones) | #A29555 | 0.136 |
| Tritanopia (no blue cones) | #00AB99 | 0.104 |
| Achromatopsia (no color) | #999999 | 0.177 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #31AF4D
#31AF4D
oklch(66.5% 0.176 147)
- #CA67CB
#CA67CB
oklch(66.5% 0.176 327)
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 #31AF4D, closest first.
No curated palette has a color within ΔE 0.04 of #31AF4D.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Medium Green #39AD48 ΔE 0.006
- Shamrock #01B44C ΔE 0.018
- Mid Green #50A747 ΔE 0.026
- Dark Pastel Green #56AE57 ΔE 0.029
- Cool Green #33B864 ΔE 0.032
- Grass #5CAC2D ΔE 0.033
- Jade Green #2BAF6A ΔE 0.034
- Kelly Green #02AB2E ΔE 0.034
Use #31AF4D 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.