#31951F
Closest named color: Irish Green (#019529). oklch(58.9% 0.177 141), rgb(49, 149, 31).
Aa
Black text reads best on this color (5.44:1).
About this color
#31951F is a medium-dark, vivid green. In OKLCH its lightness is 59%, its chroma 0.177 and its hue 141°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Irish Green (#019529), ΔE 0.016 away. Black text reads best on it, at 5.44:1.
| Hue family | Greens |
| Lightness | medium-dark (59%) |
| Chroma | vivid (0.177) |
| Temperature | in between |
| Nearest name | Irish Green (#019529) |
| Black text | 5.44:1 |
| White text | 3.85:1 |
Values
| HEX | #31951F |
| RGB | rgb(49, 149, 31) |
| HSL | hsl(111, 66%, 35%) |
| OKLCH | oklch(58.9% 0.177 141) |
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 #31951F | 3.85:1 | AA large text | Lc -71.1 | Content text, not long reading |
| Black text on #31951F | 5.44:1 | AA | Lc 38.5 | Non-text elements, placeholder text |
| #31951F text on white | 3.85:1 | AA large text | Lc 65.6 | Content text, not long reading |
| #31951F text on black | 5.44:1 | AA | Lc -36.1 | 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 600.
-
Step 50
50
#F2F7F1
oklch(97.1% 0.01 140.5)
-
Step 100
100
#E2EEE0
oklch(93.6% 0.023 141.2)
-
Step 200
200
#CAE1C6
oklch(88.5% 0.044 141)
-
Step 300
300
#A5CE9E
oklch(80.9% 0.079 141)
-
Step 400
400
#72B467
oklch(70.7% 0.127 140.9)
-
Step 500
500
#49A03B
oklch(63% 0.162 141)
-
Step 600
600 (this color)
#31951F
oklch(58.9% 0.177 141)
-
Step 700
700
#177500
oklch(49% 0.162 141.1)
-
Step 800
800
#166006
oklch(42.8% 0.136 141)
-
Step 900
900
#1B4F12
oklch(37.9% 0.107 140.9)
-
Step 950
950
#112E0C
oklch(26.9% 0.068 140.8)
#31951F 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) | #998700 | 0.121 |
| Deuteranopia (no green cones) | #8D7F2D | 0.121 |
| Tritanopia (no blue cones) | #1E907F | 0.117 |
| Achromatopsia (no color) | #828282 | 0.178 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #31951F
#31951F
oklch(58.9% 0.177 141)
- #AB52BC
#AB52BC
oklch(59% 0.178 321)
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 #31951F, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Irish Green #019529 ΔE 0.016
- True Green #089404 ΔE 0.021
- Grass Green #3F9B0B ΔE 0.024
- Kelley Green #009337 ΔE 0.024
- Emerald Green #028F1E ΔE 0.027
- Grassy Green #419C03 ΔE 0.028
- Forest Green #228B22 ΔE 0.033
- Sap Green #5C8B15 ΔE 0.043
Use #31951F 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.