#018667
Closest named color: Sea Green (#2E8B57). oklch(55.1% 0.11 169.2), rgb(1, 134, 103).
Aa
Black text reads best on this color (4.60:1).
About this color
#018667 is a medium-dark, moderately saturated green. In OKLCH its lightness is 55%, its chroma 0.110 and its hue 169°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Sea Green (#2E8B57), ΔE 0.034 away. Black text reads best on it, at 4.60:1.
| Hue family | Greens |
| Lightness | medium-dark (55%) |
| Chroma | moderately saturated (0.110) |
| Temperature | in between |
| Nearest name | Sea Green (#2E8B57) |
| Black text | 4.60:1 |
| White text | 4.55:1 |
Values
| HEX | #018667 |
| RGB | rgb(1, 134, 103) |
| HSL | hsl(166, 99%, 26%) |
| OKLCH | oklch(55.1% 0.11 169.2) |
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 #018667 | 4.55:1 | AA | Lc -76.5 | Fine for body text |
| Black text on #018667 | 4.60:1 | AA | Lc 33.0 | Non-text elements, placeholder text |
| #018667 text on white | 4.55:1 | AA | Lc 71.1 | Content text, not long reading |
| #018667 text on black | 4.60:1 | AA | Lc -30.6 | 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
#C8DFD6
oklch(88.4% 0.027 170.2)
-
Step 300
300
#A2CBBB
oklch(80.8% 0.049 169.3)
-
Step 400
400
#6CB198
oklch(70.7% 0.08 168.9)
-
Step 500
500
#3E9D7F
oklch(63.1% 0.101 169.1)
-
Step 600
600 (this color)
#018667
oklch(55.1% 0.11 169.2)
-
Step 700
700
#007257
oklch(49.1% 0.098 169.1)
-
Step 800
800
#025D47
oklch(42.6% 0.084 169.5)
-
Step 900
900
#134D3C
oklch(37.8% 0.066 169.3)
-
Step 950
950
#0E2D23
oklch(27% 0.042 169.1)
#018667 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) | #827C65 | 0.111 |
| Deuteranopia (no green cones) | #747269 | 0.107 |
| Tritanopia (no blue cones) | #00877D | 0.033 |
| Achromatopsia (no color) | #767676 | 0.111 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #018667
#018667
oklch(55.1% 0.11 169.2)
- #A0557C
#A0557C
oklch(55.1% 0.11 348.8)
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 #018667, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Sea Green #2E8B57 ΔE 0.034
- Viridian #1E9167 ΔE 0.037
- Teal #008080 ΔE 0.048
- Jungle Green #048243 ΔE 0.049
- Dark Cyan #008B8B ΔE 0.054
- Bluegreen #017A79 ΔE 0.054
- Dark Sage #598556 ΔE 0.054
- Light Forest Green #4F9153 ΔE 0.065
Use #018667 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.