#1F9070
Closest named color: Viridian (#1E9167). oklch(58.5% 0.109 168.7), rgb(31, 144, 112).
Aa
Black text reads best on this color (5.28:1).
About this color
#1F9070 is a medium-dark, moderately saturated green. In OKLCH its lightness is 58%, its chroma 0.109 and its hue 169°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Viridian (#1E9167), ΔE 0.015 away. Black text reads best on it, at 5.28:1.
| Hue family | Greens |
| Lightness | medium-dark (58%) |
| Chroma | moderately saturated (0.109) |
| Temperature | in between |
| Nearest name | Viridian (#1E9167) |
| Black text | 5.28:1 |
| White text | 3.97:1 |
Values
| HEX | #1F9070 |
| RGB | rgb(31, 144, 112) |
| HSL | hsl(163, 65%, 34%) |
| OKLCH | oklch(58.5% 0.109 168.7) |
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 #1F9070 | 3.97:1 | AA large text | Lc -72.2 | Content text, not long reading |
| Black text on #1F9070 | 5.28:1 | AA | Lc 37.4 | Non-text elements, placeholder text |
| #1F9070 text on white | 3.97:1 | AA large text | Lc 66.7 | Content text, not long reading |
| #1F9070 text on black | 5.28:1 | AA | Lc -35.0 | 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
#F1F7F5
oklch(97.1% 0.007 174.4)
-
Step 100
100
#E1EDE8
oklch(93.6% 0.014 169.2)
-
Step 200
200
#C9DFD6
oklch(88.5% 0.026 169.2)
-
Step 300
300
#A2CBBB
oklch(80.8% 0.049 169.3)
-
Step 400
400
#6DB198
oklch(70.8% 0.079 168.7)
-
Step 500
500
#3F9D7F
oklch(63.1% 0.1 169)
-
Step 600
600 (this color)
#1F9070
oklch(58.5% 0.109 168.7)
-
Step 700
700
#007257
oklch(49.1% 0.098 169.1)
-
Step 800
800
#055D47
oklch(42.6% 0.083 169.3)
-
Step 900
900
#144D3B
oklch(37.8% 0.066 167.9)
-
Step 950
950
#0E2D23
oklch(27% 0.042 169.1)
#1F9070 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) | #8C866E | 0.110 |
| Deuteranopia (no green cones) | #7E7B72 | 0.107 |
| Tritanopia (no blue cones) | #009187 | 0.034 |
| Achromatopsia (no color) | #808080 | 0.110 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #1F9070
#1F9070
oklch(58.5% 0.109 168.7)
- #AB5F86
#AB5F86
oklch(58.5% 0.11 348.9)
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 #1F9070, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Viridian #1E9167 ΔE 0.015
- Sea Green #2E8B57 ΔE 0.033
- Ocean Green #3D9973 ΔE 0.034
- Blue Green #0F9B8E ΔE 0.047
- Light Forest Green #4F9153 ΔE 0.047
- Dusty Teal #4C9085 ΔE 0.047
- Dark Cyan #008B8B ΔE 0.049
- Dark Sage #598556 ΔE 0.051
Use #1F9070 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.