#31A447
Closest named color: Mid Green (#50A747). oklch(63.4% 0.167 146.5), rgb(49, 164, 71).
Aa
Black text reads best on this color (6.53:1).
About this color
#31A447 is a medium-light, vivid green. In OKLCH its lightness is 63%, its chroma 0.167 and its hue 146°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Mid Green (#50A747), ΔE 0.024 away. Black text reads best on it, at 6.53:1.
| Hue family | Greens |
| Lightness | medium-light (63%) |
| Chroma | vivid (0.167) |
| Temperature | in between |
| Nearest name | Mid Green (#50A747) |
| Black text | 6.53:1 |
| White text | 3.21:1 |
Values
| HEX | #31A447 |
| RGB | rgb(49, 164, 71) |
| HSL | hsl(131, 54%, 42%) |
| OKLCH | oklch(63.4% 0.167 146.5) |
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 #31A447 | 3.21:1 | AA large text | Lc -64.4 | Content text, not long reading |
| Black text on #31A447 | 6.53:1 | AA | Lc 45.1 | Large or bold text, headings |
| #31A447 text on white | 3.21:1 | AA large text | Lc 58.9 | Large or bold text, headings |
| #31A447 text on black | 6.53:1 | AA | Lc -42.8 | 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
#E0EEE1
oklch(93.5% 0.023 147.4)
-
Step 200
200
#C7E2C8
oklch(88.6% 0.045 146.2)
-
Step 300
300
#9ECFA2
oklch(80.8% 0.081 146.9)
-
Step 400
400
#65B66E
oklch(70.6% 0.131 146.5)
-
Step 500
500 (this color)
#31A447
oklch(63.4% 0.167 146.5)
-
Step 600
600
#008C2E
oklch(55.7% 0.168 146.5)
-
Step 700
700
#007525
oklch(49% 0.148 146.5)
-
Step 800
800
#00601D
oklch(42.6% 0.128 146.5)
-
Step 900
900
#07501A
oklch(37.7% 0.108 146.6)
-
Step 950
950
#092F10
oklch(27% 0.069 146.5)
#31A447 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) | #A6953E | 0.129 |
| Deuteranopia (no green cones) | #998C4E | 0.128 |
| Tritanopia (no blue cones) | #00A08F | 0.099 |
| Achromatopsia (no color) | #8F8F8F | 0.168 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #31A447
#31A447
oklch(63.4% 0.167 146.5)
- #BD61BF
#BD61BF
oklch(63.5% 0.167 326.5)
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 #31A447, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Mid Green #50A747 ΔE 0.024
- Medium Green #39AD48 ΔE 0.028
- Kelly Green #02AB2E ΔE 0.037
- Grass Green #3F9B0B ΔE 0.040
- Grassy Green #419C03 ΔE 0.040
- Muted Green #5FA052 ΔE 0.042
- Jade Green #2BAF6A ΔE 0.044
- Seaweed Green #35AD6B ΔE 0.044
Use #31A447 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.