#018C68
Closest named color: Viridian (#1E9167). oklch(56.8% 0.116 166.9), rgb(1, 140, 104).
Aa
Black text reads best on this color (4.95:1).
About this color
#018C68 is a medium-dark, moderately saturated green. In OKLCH its lightness is 57%, its chroma 0.116 and its hue 167°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Viridian (#1E9167), ΔE 0.019 away. Black text reads best on it, at 4.95:1.
| Hue family | Greens |
| Lightness | medium-dark (57%) |
| Chroma | moderately saturated (0.116) |
| Temperature | in between |
| Nearest name | Viridian (#1E9167) |
| Black text | 4.95:1 |
| White text | 4.24:1 |
Values
| HEX | #018C68 |
| RGB | rgb(1, 140, 104) |
| HSL | hsl(164, 99%, 28%) |
| OKLCH | oklch(56.8% 0.116 166.9) |
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 #018C68 | 4.24:1 | AA large text | Lc -74.2 | Content text, not long reading |
| Black text on #018C68 | 4.95:1 | AA | Lc 35.4 | Non-text elements, placeholder text |
| #018C68 text on white | 4.24:1 | AA large text | Lc 68.7 | Content text, not long reading |
| #018C68 text on black | 4.95:1 | AA | Lc -33.0 | 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
#F1F7F4
oklch(97.1% 0.007 164.9)
-
Step 100
100
#E1EDE8
oklch(93.6% 0.014 169.2)
-
Step 200
200
#C8E0D5
oklch(88.6% 0.03 166.4)
-
Step 300
300
#A1CCB9
oklch(80.9% 0.053 166.3)
-
Step 400
400
#6AB295
oklch(70.8% 0.085 166.3)
-
Step 500
500
#399E7C
oklch(63.1% 0.107 167.2)
-
Step 600
600 (this color)
#018C68
oklch(56.8% 0.116 166.9)
-
Step 700
700
#007254
oklch(49% 0.101 166.9)
-
Step 800
800
#005E45
oklch(42.8% 0.088 167.1)
-
Step 900
900
#0F4D3A
oklch(37.7% 0.069 167.6)
-
Step 950
950
#0C2D22
oklch(26.9% 0.044 167.9)
#018C68 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) | #888166 | 0.116 |
| Deuteranopia (no green cones) | #7A776A | 0.111 |
| Tritanopia (no blue cones) | #008D82 | 0.039 |
| Achromatopsia (no color) | #7B7B7B | 0.117 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #018C68
#018C68
oklch(56.8% 0.116 166.9)
- #A75884
#A75884
oklch(56.8% 0.116 346.9)
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 #018C68, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Viridian #1E9167 ΔE 0.019
- Sea Green #2E8B57 ΔE 0.025
- Ocean Green #3D9973 ΔE 0.051
- Dark Sage #598556 ΔE 0.052
- Light Forest Green #4F9153 ΔE 0.052
- Jungle Green #048243 ΔE 0.052
- Dark Cyan #008B8B ΔE 0.055
- Fern Green #548D44 ΔE 0.060
Use #018C68 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.