#019161
Closest named color: Viridian (#1E9167). oklch(58% 0.129 161.2), rgb(1, 145, 97).
Aa
Black text reads best on this color (5.22:1).
About this color
#019161 is a medium-dark, moderately saturated green. In OKLCH its lightness is 58%, its chroma 0.129 and its hue 161°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Viridian (#1E9167), ΔE 0.012 away. Black text reads best on it, at 5.22:1.
| Hue family | Greens |
| Lightness | medium-dark (58%) |
| Chroma | moderately saturated (0.129) |
| Temperature | in between |
| Nearest name | Viridian (#1E9167) |
| Black text | 5.22:1 |
| White text | 4.01:1 |
Values
| HEX | #019161 |
| RGB | rgb(1, 145, 97) |
| HSL | hsl(160, 99%, 29%) |
| OKLCH | oklch(58% 0.129 161.2) |
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 #019161 | 4.01:1 | AA large text | Lc -72.4 | Content text, not long reading |
| Black text on #019161 | 5.22:1 | AA | Lc 37.2 | Non-text elements, placeholder text |
| #019161 text on white | 4.01:1 | AA large text | Lc 66.9 | Content text, not long reading |
| #019161 text on black | 5.22:1 | AA | Lc -34.8 | 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
#F1F7F4
oklch(97.1% 0.007 164.9)
-
Step 100
100
#E1EEE6
oklch(93.7% 0.017 159.1)
-
Step 200
200
#C8E0D2
oklch(88.5% 0.032 160.1)
-
Step 300
300
#A0CDB5
oklch(81% 0.058 161.5)
-
Step 400
400
#69B38E
oklch(70.8% 0.093 161)
-
Step 500
500
#369F72
oklch(63% 0.118 161.3)
-
Step 600
600 (this color)
#019161
oklch(58% 0.129 161.2)
-
Step 700
700
#00734C
oklch(49.1% 0.109 161.2)
-
Step 800
800
#005E3E
oklch(42.6% 0.094 161.6)
-
Step 900
900
#0D4E34
oklch(37.7% 0.077 161.1)
-
Step 950
950
#0B2E1F
oklch(27.1% 0.049 161.7)
#019161 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) | #8F855E | 0.123 |
| Deuteranopia (no green cones) | #807A64 | 0.119 |
| Tritanopia (no blue cones) | #009184 | 0.053 |
| Achromatopsia (no color) | #7F7F7F | 0.130 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #019161
#019161
oklch(58% 0.129 161.2)
- #AC5991
#AC5991
oklch(58.1% 0.128 341)
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 #019161, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Viridian #1E9167 ΔE 0.012
- Sea Green #2E8B57 ΔE 0.020
- Light Forest Green #4F9153 ΔE 0.040
- Ocean Green #3D9973 ΔE 0.044
- Fern Green #548D44 ΔE 0.049
- Jungle Green #048243 ΔE 0.053
- Kelley Green #009337 ΔE 0.054
- Dark Sage #598556 ΔE 0.055
Use #019161 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.