#31A649
Closest named color: Mid Green (#50A747). oklch(64% 0.168 146.8), rgb(49, 166, 73).
Aa
Black text reads best on this color (6.68:1).
About this color
#31A649 is a medium-light, vivid green. In OKLCH its lightness is 64%, its chroma 0.168 and its hue 147°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Mid Green (#50A747), ΔE 0.021 away. Black text reads best on it, at 6.68:1.
| Hue family | Greens |
| Lightness | medium-light (64%) |
| Chroma | vivid (0.168) |
| Temperature | in between |
| Nearest name | Mid Green (#50A747) |
| Black text | 6.68:1 |
| White text | 3.14:1 |
Values
| HEX | #31A649 |
| RGB | rgb(49, 166, 73) |
| HSL | hsl(132, 54%, 42%) |
| OKLCH | oklch(64% 0.168 146.8) |
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 #31A649 | 3.14:1 | AA large text | Lc -63.5 | Content text, not long reading |
| Black text on #31A649 | 6.68:1 | AA | Lc 46.0 | Large or bold text, headings |
| #31A649 text on white | 3.14:1 | AA large text | Lc 58.1 | Large or bold text, headings |
| #31A649 text on black | 6.68:1 | AA | Lc -43.7 | 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
#C6E2C8
oklch(88.5% 0.046 147.2)
-
Step 300
300
#9ECFA2
oklch(80.8% 0.081 146.9)
-
Step 400
400
#64B66E
oklch(70.6% 0.131 146.7)
-
Step 500
500 (this color)
#31A649
oklch(64% 0.168 146.8)
-
Step 600
600
#008B2F
oklch(55.5% 0.166 146.7)
-
Step 700
700
#007527
oklch(49% 0.146 146.9)
-
Step 800
800
#00601E
oklch(42.6% 0.127 146.7)
-
Step 900
900
#05501A
oklch(37.7% 0.109 146.9)
-
Step 950
950
#092F10
oklch(27% 0.069 146.5)
#31A649 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) | #A89740 | 0.130 |
| Deuteranopia (no green cones) | #9A8D50 | 0.130 |
| Tritanopia (no blue cones) | #00A291 | 0.099 |
| Achromatopsia (no color) | #919191 | 0.168 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #31A649
#31A649
oklch(64% 0.168 146.8)
- #BF62C1
#BF62C1
oklch(64% 0.168 326.5)
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 #31A649, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Mid Green #50A747 ΔE 0.021
- Medium Green #39AD48 ΔE 0.022
- Kelly Green #02AB2E ΔE 0.035
- Jade Green #2BAF6A ΔE 0.040
- Shamrock #01B44C ΔE 0.040
- Dark Pastel Green #56AE57 ΔE 0.041
- Seaweed Green #35AD6B ΔE 0.041
- Muted Green #5FA052 ΔE 0.042
Use #31A649 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.