#155152
Closest named color: Deep Teal (#00555A). oklch(39.8% 0.059 196.7), rgb(21, 81, 82).
Aa
White text reads best on this color (9.01:1).
About this color
#155152 is a dark, muted teal or cyan. In OKLCH its lightness is 40%, its chroma 0.059 and its hue 197°. Its hue sits on the cool side of the wheel. The nearest named color is Deep Teal (#00555A), ΔE 0.016 away. White text reads best on it, at 9.01:1.
| Hue family | Teals and cyans |
| Lightness | dark (40%) |
| Chroma | muted (0.059) |
| Temperature | cool |
| Nearest name | Deep Teal (#00555A) |
| Black text | 2.33:1 |
| White text | 9.01:1 |
Values
| HEX | #155152 |
| RGB | rgb(21, 81, 82) |
| HSL | hsl(181, 59%, 20%) |
| OKLCH | oklch(39.8% 0.059 196.7) |
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 #155152 | 9.01:1 | AAA | Lc -94.8 | Preferred for body text |
| Black text on #155152 | 2.33:1 | Fails | Lc 13.5 | Not readable |
| #155152 text on white | 9.01:1 | AAA | Lc 90.4 | Preferred for body text |
| #155152 text on black | 2.33:1 | Fails | Lc -11.9 | Not readable |
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 900.
-
Step 50
50
#F1F7F7
oklch(97.2% 0.006 197.1)
-
Step 100
100
#E1EDED
oklch(93.7% 0.013 196.9)
-
Step 200
200
#C7DFDE
oklch(88.6% 0.026 193.6)
-
Step 300
300
#A0CACA
oklch(80.9% 0.044 196.3)
-
Step 400
400
#68AFB0
oklch(70.8% 0.072 196.8)
-
Step 500
500
#369A9C
oklch(63% 0.091 197)
-
Step 600
600
#008486
oklch(55.6% 0.095 196.7)
-
Step 700
700
#006F71
oklch(49.1% 0.084 197)
-
Step 800
800
#005B5C
oklch(42.7% 0.073 196.1)
-
Step 900
900 (this color)
#155152
oklch(39.8% 0.059 196.7)
-
Step 950
950
#0B2C2D
oklch(27% 0.038 198)
#155152 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) | #4B4D52 | 0.061 |
| Deuteranopia (no green cones) | #424652 | 0.057 |
| Tritanopia (no blue cones) | #005451 | 0.013 |
| Achromatopsia (no color) | #494949 | 0.060 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #155152
#155152
oklch(39.8% 0.059 196.7)
- #633A3C
#633A3C
oklch(39.9% 0.058 16.9)
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 #155152, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Deep Teal #00555A ΔE 0.016
- Dark Teal #014D4E ΔE 0.018
- Dark Blue Green #005249 ΔE 0.020
- Dark Slate Gray #2F4F4F ΔE 0.022
- Charcoal #264653 ΔE 0.038
- Dark Grey Blue #29465B ΔE 0.046
- Petrol #005F6A ΔE 0.051
- Charcoal Grey #3C4142 ΔE 0.059
Use #155152 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.