#31805F
Closest named color: Sea Green (#2E8B57). oklch(54.2% 0.094 162.8), rgb(49, 128, 95).
Aa
White text reads best on this color (4.79:1).
About this color
#31805F is a medium-dark, moderately saturated green. In OKLCH its lightness is 54%, its chroma 0.094 and its hue 163°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Sea Green (#2E8B57), ΔE 0.039 away. White text reads best on it, at 4.79:1.
| Hue family | Greens |
| Lightness | medium-dark (54%) |
| Chroma | moderately saturated (0.094) |
| Temperature | in between |
| Nearest name | Sea Green (#2E8B57) |
| Black text | 4.38:1 |
| White text | 4.79:1 |
Values
| HEX | #31805F |
| RGB | rgb(49, 128, 95) |
| HSL | hsl(155, 45%, 35%) |
| OKLCH | oklch(54.2% 0.094 162.8) |
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 #31805F | 4.79:1 | AA | Lc -78.4 | Fine for body text |
| Black text on #31805F | 4.38:1 | AA large text | Lc 31.1 | Non-text elements, placeholder text |
| #31805F text on white | 4.79:1 | AA | Lc 73.0 | Content text, not long reading |
| #31805F text on black | 4.38:1 | AA large text | Lc -28.7 | Dividers and decoration only |
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
#F2F7F4
oklch(97.2% 0.007 160.1)
-
Step 100
100
#E3EDE7
oklch(93.7% 0.013 159.9)
-
Step 200
200
#CCDED5
oklch(88.5% 0.023 164.5)
-
Step 300
300
#A9CAB9
oklch(81% 0.043 162.9)
-
Step 400
400
#7AAE94
oklch(70.7% 0.067 162.3)
-
Step 500
500
#549A7A
oklch(63.1% 0.087 162.7)
-
Step 600
600 (this color)
#31805F
oklch(54.2% 0.094 162.8)
-
Step 700
700
#277052
oklch(49.1% 0.087 162.8)
-
Step 800
800
#235B43
oklch(42.6% 0.072 162.5)
-
Step 900
900
#224B39
oklch(37.7% 0.056 163.1)
-
Step 950
950
#152C21
oklch(27% 0.036 161.9)
#31805F 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) | #7E775D | 0.091 |
| Deuteranopia (no green cones) | #736F61 | 0.088 |
| Tritanopia (no blue cones) | #058077 | 0.038 |
| Achromatopsia (no color) | #727272 | 0.094 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #31805F
#31805F
oklch(54.2% 0.094 162.8)
- #95587E
#95587E
oklch(54.2% 0.095 342.7)
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 #31805F, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Sea Green #2E8B57 ΔE 0.039
- Dark Sage #598556 ΔE 0.044
- Jungle Green #048243 ΔE 0.049
- Viridian #1E9167 ΔE 0.049
- Teal #008080 ΔE 0.051
- Bluegreen #017A79 ΔE 0.052
- Military Green #667C3E ΔE 0.061
- Dark Aquamarine #017371 ΔE 0.061
Use #31805F 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.