#18615A
Closest named color: Dark Green Blue (#1F6357). oklch(44.7% 0.07 185.6), rgb(24, 97, 90).
Aa
White text reads best on this color (7.25:1).
About this color
#18615A is a dark, moderately saturated teal or cyan. In OKLCH its lightness is 45%, its chroma 0.070 and its hue 186°. Its hue sits on the cool side of the wheel. The nearest named color is Dark Green Blue (#1F6357), ΔE 0.010 away. White text reads best on it, at 7.25:1.
| Hue family | Teals and cyans |
| Lightness | dark (45%) |
| Chroma | moderately saturated (0.070) |
| Temperature | cool |
| Nearest name | Dark Green Blue (#1F6357) |
| Black text | 2.89:1 |
| White text | 7.25:1 |
Values
| HEX | #18615A |
| RGB | rgb(24, 97, 90) |
| HSL | hsl(174, 60%, 24%) |
| OKLCH | oklch(44.7% 0.07 185.6) |
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 #18615A | 7.25:1 | AAA | Lc -89.8 | Fine for body text |
| Black text on #18615A | 2.89:1 | Fails | Lc 19.2 | Dividers and decoration only |
| #18615A text on white | 7.25:1 | AAA | Lc 84.9 | Fine for body text |
| #18615A text on black | 2.89:1 | Fails | Lc -17.1 | Dividers and decoration only |
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 800.
-
Step 50
50
#F2F7F6
oklch(97.2% 0.005 183)
-
Step 100
100
#E2EDEB
oklch(93.7% 0.012 184.1)
-
Step 200
200
#C9DEDB
oklch(88.4% 0.023 186.4)
-
Step 300
300
#A4CAC4
oklch(81% 0.041 184.7)
-
Step 400
400
#70AEA6
oklch(70.6% 0.065 185.6)
-
Step 500
500
#449A91
oklch(63.1% 0.084 186.1)
-
Step 600
600
#1B847B
oklch(55.5% 0.091 186.1)
-
Step 700
700
#077067
oklch(49.1% 0.085 185.1)
-
Step 800
800 (this color)
#18615A
oklch(44.7% 0.07 185.6)
-
Step 900
900
#184B46
oklch(37.7% 0.054 186.1)
-
Step 950
950
#102C29
oklch(27% 0.034 186.1)
#18615A 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) | #5C5B5A | 0.075 |
| Deuteranopia (no green cones) | #51545B | 0.069 |
| Tritanopia (no blue cones) | #00635F | 0.010 |
| Achromatopsia (no color) | #575757 | 0.071 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #18615A
#18615A
oklch(44.7% 0.07 185.6)
- #75434F
#75434F
oklch(44.6% 0.071 4.9)
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 #18615A, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Green Blue #1F6357 ΔE 0.010
- Petrol #005F6A ΔE 0.030
- Dark Aqua #05696B ΔE 0.031
- Deep Teal #00555A ΔE 0.043
- Dark Blue Green #005249 ΔE 0.054
- Spruce #0A5F38 ΔE 0.054
- Pine #2B5D34 ΔE 0.055
- Dark Slate Gray #2F4F4F ΔE 0.056
Use #18615A 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.