#188A68
Closest named color: Viridian (#1E9167). oklch(56.5% 0.11 166.9), rgb(24, 138, 104).
Aa
Black text reads best on this color (4.87:1).
About this color
#188A68 is a medium-dark, moderately saturated green. In OKLCH its lightness is 56%, its chroma 0.110 and its hue 167°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Viridian (#1E9167), ΔE 0.023 away. Black text reads best on it, at 4.87:1.
| Hue family | Greens |
| Lightness | medium-dark (56%) |
| Chroma | moderately saturated (0.110) |
| Temperature | in between |
| Nearest name | Viridian (#1E9167) |
| Black text | 4.87:1 |
| White text | 4.30:1 |
Values
| HEX | #188A68 |
| RGB | rgb(24, 138, 104) |
| HSL | hsl(162, 70%, 32%) |
| OKLCH | oklch(56.5% 0.11 166.9) |
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 #188A68 | 4.30:1 | AA large text | Lc -74.9 | Content text, not long reading |
| Black text on #188A68 | 4.87:1 | AA | Lc 34.7 | Non-text elements, placeholder text |
| #188A68 text on white | 4.30:1 | AA large text | Lc 69.4 | Content text, not long reading |
| #188A68 text on black | 4.87:1 | AA | Lc -32.3 | 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
#C9DFD5
oklch(88.4% 0.027 166.7)
-
Step 300
300
#A3CBBA
oklch(80.8% 0.049 167.4)
-
Step 400
400
#6EB196
oklch(70.8% 0.08 166.6)
-
Step 500
500
#419D7C
oklch(63.1% 0.102 166.6)
-
Step 600
600 (this color)
#188A68
oklch(56.5% 0.11 166.9)
-
Step 700
700
#007254
oklch(49% 0.101 166.9)
-
Step 800
800
#095D45
oklch(42.6% 0.084 167.1)
-
Step 900
900
#154D3A
oklch(37.8% 0.067 166.5)
-
Step 950
950
#0F2D22
oklch(27% 0.042 166.6)
#188A68 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) | #878066 | 0.110 |
| Deuteranopia (no green cones) | #79766A | 0.105 |
| Tritanopia (no blue cones) | #008B81 | 0.037 |
| Achromatopsia (no color) | #7A7A7A | 0.111 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #188A68
#188A68
oklch(56.5% 0.11 166.9)
- #A45982
#A45982
oklch(56.4% 0.11 347.3)
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 #188A68, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Viridian #1E9167 ΔE 0.023
- Sea Green #2E8B57 ΔE 0.026
- Dark Sage #598556 ΔE 0.047
- Jungle Green #048243 ΔE 0.052
- Dark Cyan #008B8B ΔE 0.053
- Ocean Green #3D9973 ΔE 0.053
- Light Forest Green #4F9153 ΔE 0.053
- Teal #008080 ΔE 0.056
Use #188A68 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.