#31945E
Closest named color: Viridian (#1E9167). oklch(59.5% 0.123 155.5), rgb(49, 148, 94).
Aa
Black text reads best on this color (5.52:1).
About this color
#31945E is a medium-dark, moderately saturated green. In OKLCH its lightness is 60%, its chroma 0.123 and its hue 155°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Viridian (#1E9167), ΔE 0.020 away. Black text reads best on it, at 5.52:1.
| Hue family | Greens |
| Lightness | medium-dark (60%) |
| Chroma | moderately saturated (0.123) |
| Temperature | in between |
| Nearest name | Viridian (#1E9167) |
| Black text | 5.52:1 |
| White text | 3.79:1 |
Values
| HEX | #31945E |
| RGB | rgb(49, 148, 94) |
| HSL | hsl(147, 50%, 39%) |
| OKLCH | oklch(59.5% 0.123 155.5) |
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 #31945E | 3.79:1 | AA large text | Lc -70.7 | Content text, not long reading |
| Black text on #31945E | 5.52:1 | AA | Lc 38.9 | Non-text elements, placeholder text |
| #31945E text on white | 3.79:1 | AA large text | Lc 65.2 | Content text, not long reading |
| #31945E text on black | 5.52:1 | AA | Lc -36.5 | 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
#F1F7F3
oklch(97.1% 0.008 157.1)
-
Step 100
100
#E1EEE5
oklch(93.7% 0.018 155.8)
-
Step 200
200
#C8E0D0
oklch(88.4% 0.034 156.5)
-
Step 300
300
#A2CDB0
oklch(80.9% 0.061 155.3)
-
Step 400
400
#6CB387
oklch(70.8% 0.097 155.8)
-
Step 500
500 (this color)
#31945E
oklch(59.5% 0.123 155.5)
-
Step 600
600
#088A50
oklch(55.7% 0.134 155.5)
-
Step 700
700
#007442
oklch(49.1% 0.12 155.6)
-
Step 800
800
#035F35
oklch(42.7% 0.104 155.3)
-
Step 900
900
#134E2E
oklch(37.7% 0.081 155.1)
-
Step 950
950
#0E2E1B
oklch(27.1% 0.052 154.7)
#31945E 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) | #93885A | 0.110 |
| Deuteranopia (no green cones) | #877F61 | 0.109 |
| Tritanopia (no blue cones) | #009386 | 0.059 |
| Achromatopsia (no color) | #838383 | 0.124 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #31945E
#31945E
oklch(59.5% 0.123 155.5)
- #AB609B
#AB609B
oklch(59.4% 0.123 335.4)
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 #31945E, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Viridian #1E9167 ΔE 0.020
- Light Forest Green #4F9153 ΔE 0.023
- Sea Green #2E8B57 ΔE 0.027
- Ocean Green #3D9973 ΔE 0.032
- Fern Green #548D44 ΔE 0.036
- Dark Sage #598556 ΔE 0.050
- Kelley Green #009337 ΔE 0.053
- Moss Green #658B38 ΔE 0.054
Use #31945E 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.