#4B978E
Closest named color: Sea (#3C9992). oklch(62.5% 0.077 185.3), rgb(75, 151, 142).
Aa
Black text reads best on this color (6.11:1).
About this color
#4B978E is a medium-light, moderately saturated teal or cyan. In OKLCH its lightness is 63%, its chroma 0.077 and its hue 185°. Its hue sits on the cool side of the wheel. The nearest named color is Sea (#3C9992), ΔE 0.012 away. Black text reads best on it, at 6.11:1.
| Hue family | Teals and cyans |
| Lightness | medium-light (63%) |
| Chroma | moderately saturated (0.077) |
| Temperature | cool |
| Nearest name | Sea (#3C9992) |
| Black text | 6.11:1 |
| White text | 3.43:1 |
Values
| HEX | #4B978E |
| RGB | rgb(75, 151, 142) |
| HSL | hsl(173, 34%, 44%) |
| OKLCH | oklch(62.5% 0.077 185.3) |
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 #4B978E | 3.43:1 | AA large text | Lc -67.2 | Content text, not long reading |
| Black text on #4B978E | 6.11:1 | AA | Lc 42.4 | Non-text elements, placeholder text |
| #4B978E text on white | 3.43:1 | AA large text | Lc 61.7 | Content text, not long reading |
| #4B978E text on black | 6.11:1 | AA | Lc -40.0 | 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 500.
-
Step 50
50
#F2F7F6
oklch(97.2% 0.005 183)
-
Step 100
100
#E2ECEB
oklch(93.5% 0.011 189.8)
-
Step 200
200
#CBDEDB
oklch(88.6% 0.021 185.4)
-
Step 300
300
#A6C9C4
oklch(80.9% 0.038 185.9)
-
Step 400
400
#75ADA6
oklch(70.7% 0.06 186.1)
-
Step 500
500 (this color)
#4B978E
oklch(62.5% 0.077 185.3)
-
Step 600
600
#2A837A
oklch(55.6% 0.084 185.5)
-
Step 700
700
#1B6F67
oklch(49.1% 0.078 185.5)
-
Step 800
800
#1A5A54
oklch(42.6% 0.064 186.2)
-
Step 900
900
#1D4A45
oklch(37.6% 0.05 185.5)
-
Step 950
950
#122C28
oklch(27.1% 0.033 182.6)
#4B978E 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) | #91908E | 0.083 |
| Deuteranopia (no green cones) | #84878F | 0.077 |
| Tritanopia (no blue cones) | #229A94 | 0.024 |
| Achromatopsia (no color) | #8A8A8A | 0.077 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #4B978E
#4B978E
oklch(62.5% 0.077 185.3)
- #B07481
#B07481
oklch(62.5% 0.077 5.4)
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 #4B978E, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Sea #3C9992 ΔE 0.012
- Dusty Teal #4C9085 ΔE 0.021
- Grey Teal #5E9B8A ΔE 0.024
- Persian Green #2A9D8F ΔE 0.025
- Dull Teal #5F9E8F ΔE 0.030
- Blue Green #0F9B8E ΔE 0.031
- Teal Green #0A9396 ΔE 0.038
- Cadet Blue #5F9EA0 ΔE 0.038
Use #4B978E 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.