#104F42
Closest named color: Dark Blue Green (#005249). oklch(38.5% 0.065 175.4), rgb(16, 79, 66).
Aa
White text reads best on this color (9.46:1).
About this color
#104F42 is a dark, muted teal or cyan. In OKLCH its lightness is 39%, its chroma 0.065 and its hue 175°. Its hue sits on the cool side of the wheel. The nearest named color is Dark Blue Green (#005249), ΔE 0.013 away. White text reads best on it, at 9.46:1.
| Hue family | Teals and cyans |
| Lightness | dark (39%) |
| Chroma | muted (0.065) |
| Temperature | cool |
| Nearest name | Dark Blue Green (#005249) |
| Black text | 2.21:1 |
| White text | 9.46:1 |
Values
| HEX | #104F42 |
| RGB | rgb(16, 79, 66) |
| HSL | hsl(168, 66%, 19%) |
| OKLCH | oklch(38.5% 0.065 175.4) |
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 #104F42 | 9.46:1 | AAA | Lc -95.9 | Preferred for body text |
| Black text on #104F42 | 2.21:1 | Fails | Lc 12.4 | Not readable |
| #104F42 text on white | 9.46:1 | AAA | Lc 91.6 | Preferred for body text |
| #104F42 text on black | 2.21:1 | Fails | Lc -10.8 | 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
#F1F7F5
oklch(97.1% 0.007 174.4)
-
Step 100
100
#E1EDE9
oklch(93.6% 0.014 174.2)
-
Step 200
200
#C7DFD8
oklch(88.4% 0.027 176.3)
-
Step 300
300
#A0CBBF
oklch(80.8% 0.048 176.1)
-
Step 400
400
#68B19E
oklch(70.7% 0.079 175.3)
-
Step 500
500
#369D86
oklch(63.1% 0.1 175.2)
-
Step 600
600
#008770
oklch(55.7% 0.105 175.1)
-
Step 700
700
#00715E
oklch(49% 0.092 175.6)
-
Step 800
800
#005D4D
oklch(42.7% 0.08 175.6)
-
Step 900
900 (this color)
#104F42
oklch(38.5% 0.065 175.4)
-
Step 950
950
#0B2D25
oklch(27% 0.042 174.6)
#104F42 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) | #4C4941 | 0.069 |
| Deuteranopia (no green cones) | #434343 | 0.066 |
| Tritanopia (no blue cones) | #00504B | 0.015 |
| Achromatopsia (no color) | #464646 | 0.066 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #104F42
#104F42
oklch(38.5% 0.065 175.4)
- #5F3445
#5F3445
oklch(38.5% 0.066 355.5)
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 #104F42, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Blue Green #005249 ΔE 0.013
- Dark Teal #014D4E ΔE 0.024
- Dark Slate Gray #2F4F4F ΔE 0.037
- Deep Teal #00555A ΔE 0.039
- Evergreen #05472A ΔE 0.043
- Charcoal #264653 ΔE 0.052
- Pine Green #0A481E ΔE 0.055
- Spruce #0A5F38 ΔE 0.061
Use #104F42 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.