#1F4831
Closest named color: Evergreen (#05472A). oklch(36.5% 0.061 156.8), rgb(31, 72, 49).
Aa
White text reads best on this color (10.34:1).
About this color
#1F4831 is a dark, muted green. In OKLCH its lightness is 36%, its chroma 0.061 and its hue 157°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Evergreen (#05472A), ΔE 0.023 away. White text reads best on it, at 10.34:1.
| Hue family | Greens |
| Lightness | dark (36%) |
| Chroma | muted (0.061) |
| Temperature | in between |
| Nearest name | Evergreen (#05472A) |
| Black text | 2.02:1 |
| White text | 10.34:1 |
Values
| HEX | #1F4831 |
| RGB | rgb(31, 72, 49) |
| HSL | hsl(146, 40%, 20%) |
| OKLCH | oklch(36.5% 0.061 156.8) |
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 #1F4831 | 10.34:1 | AAA | Lc -97.9 | Preferred for body text |
| Black text on #1F4831 | 2.02:1 | Fails | Lc 10.1 | Not readable |
| #1F4831 text on white | 10.34:1 | AAA | Lc 93.9 | Preferred for body text |
| #1F4831 text on black | 2.02:1 | Fails | Lc -8.7 | Not readable |
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 900.
-
Step 50
50
#F2F7F4
oklch(97.2% 0.007 160.1)
-
Step 100
100
#E3EDE6
oklch(93.7% 0.014 155.6)
-
Step 200
200
#CCDFD2
oklch(88.6% 0.027 155.9)
-
Step 300
300
#A9CAB5
oklch(80.9% 0.046 157.3)
-
Step 400
400
#7AAF8E
oklch(70.7% 0.074 156.6)
-
Step 500
500
#559B72
oklch(63.2% 0.095 156.6)
-
Step 600
600
#36855A
oklch(55.6% 0.103 156.7)
-
Step 700
700
#28714A
oklch(49.2% 0.096 156.6)
-
Step 800
800
#235C3D
oklch(42.8% 0.079 156.7)
-
Step 900
900 (this color)
#1F4831
oklch(36.5% 0.061 156.8)
-
Step 950
950
#152C1F
oklch(27% 0.038 157.7)
#1F4831 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) | #484330 | 0.057 |
| Deuteranopia (no green cones) | #423E32 | 0.056 |
| Tritanopia (no blue cones) | #134742 | 0.030 |
| Achromatopsia (no color) | #404040 | 0.062 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #1F4831
#1F4831
oklch(36.5% 0.061 156.8)
- #53314A
#53314A
oklch(36.4% 0.062 337.2)
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 #1F4831, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Evergreen #05472A ΔE 0.023
- Pine Green #0A481E ΔE 0.035
- Dark Blue Green #005249 ΔE 0.042
- Dark Teal #014D4E ΔE 0.046
- British Racing Green #05480D ΔE 0.053
- Forrest Green #154406 ΔE 0.053
- Dark Olive #373E02 ΔE 0.054
- Dark Slate Gray #2F4F4F ΔE 0.055
Use #1F4831 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.