#4C8178
Closest named color: Teal (#008080). oklch(56.3% 0.059 182.1), rgb(76, 129, 120).
Aa
Black text reads best on this color (4.71:1).
About this color
#4C8178 is a medium-dark, muted teal or cyan. In OKLCH its lightness is 56%, its chroma 0.059 and its hue 182°. Its hue sits on the cool side of the wheel. The nearest named color is Teal (#008080), ΔE 0.043 away. Black text reads best on it, at 4.71:1.
| Hue family | Teals and cyans |
| Lightness | medium-dark (56%) |
| Chroma | muted (0.059) |
| Temperature | cool |
| Nearest name | Teal (#008080) |
| Black text | 4.71:1 |
| White text | 4.45:1 |
Values
| HEX | #4C8178 |
| RGB | rgb(76, 129, 120) |
| HSL | hsl(170, 26%, 40%) |
| OKLCH | oklch(56.3% 0.059 182.1) |
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 #4C8178 | 4.45:1 | AA large text | Lc -76.3 | Fine for body text |
| Black text on #4C8178 | 4.71:1 | AA | Lc 33.3 | Non-text elements, placeholder text |
| #4C8178 text on white | 4.45:1 | AA large text | Lc 70.8 | Content text, not long reading |
| #4C8178 text on black | 4.71:1 | AA | Lc -30.9 | 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
#F3F6F5
oklch(97.1% 0.003 174.5)
-
Step 100
100
#E5ECEA
oklch(93.7% 0.008 177.3)
-
Step 200
200
#CFDCDA
oklch(88.4% 0.014 185.9)
-
Step 300
300
#AFC6C2
oklch(80.8% 0.026 184.1)
-
Step 400
400
#84AAA2
oklch(70.8% 0.043 180.7)
-
Step 500
500
#64958C
oklch(63.2% 0.055 181.7)
-
Step 600
600 (this color)
#4C8178
oklch(56.3% 0.059 182.1)
-
Step 700
700
#3B6B63
oklch(49.1% 0.054 182.1)
-
Step 800
800
#315751
oklch(42.6% 0.045 182.9)
-
Step 900
900
#2C4843
oklch(37.8% 0.035 181.9)
-
Step 950
950
#1A2A27
oklch(27% 0.022 181.6)
#4C8178 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) | #7D7B78 | 0.063 |
| Deuteranopia (no green cones) | #737579 | 0.058 |
| Tritanopia (no blue cones) | #39837E | 0.017 |
| Achromatopsia (no color) | #777777 | 0.059 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #4C8178
#4C8178
oklch(56.3% 0.059 182.1)
- #936773
#936773
oklch(56.3% 0.059 1.3)
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 #4C8178, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Teal #008080 ΔE 0.043
- Dusty Teal #4C9085 ΔE 0.044
- Dark Cyan #008B8B ΔE 0.045
- Battleship Grey #6B7C85 ΔE 0.048
- Grey Blue #647D8E ΔE 0.051
- Bluegreen #017A79 ΔE 0.052
- Steel Grey #6F828A ΔE 0.053
- Battleship Gray #6C757D ΔE 0.054
Use #4C8178 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.