#4F989F
Closest named color: Cadet Blue (#5F9EA0). oklch(63.5% 0.074 203.7), rgb(79, 152, 159).
Aa
Black text reads best on this color (6.32:1).
About this color
#4F989F is a medium-light, moderately saturated teal or cyan. In OKLCH its lightness is 64%, its chroma 0.074 and its hue 204°. Its hue sits on the cool side of the wheel. The nearest named color is Cadet Blue (#5F9EA0), ΔE 0.025 away. Black text reads best on it, at 6.32:1.
| Hue family | Teals and cyans |
| Lightness | medium-light (64%) |
| Chroma | moderately saturated (0.074) |
| Temperature | cool |
| Nearest name | Cadet Blue (#5F9EA0) |
| Black text | 6.32:1 |
| White text | 3.32:1 |
Values
| HEX | #4F989F |
| RGB | rgb(79, 152, 159) |
| HSL | hsl(185, 34%, 47%) |
| OKLCH | oklch(63.5% 0.074 203.7) |
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 #4F989F | 3.32:1 | AA large text | Lc -65.9 | Content text, not long reading |
| Black text on #4F989F | 6.32:1 | AA | Lc 43.6 | Non-text elements, placeholder text |
| #4F989F text on white | 3.32:1 | AA large text | Lc 60.4 | Content text, not long reading |
| #4F989F text on black | 6.32:1 | AA | Lc -41.3 | 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
#F2F6F7
oklch(97% 0.004 214.3)
-
Step 100
100
#E2ECED
oklch(93.6% 0.011 204.1)
-
Step 200
200
#CBDDDF
oklch(88.5% 0.019 204.8)
-
Step 300
300
#A6C8CB
oklch(80.9% 0.037 203)
-
Step 400
400
#75ACB1
oklch(70.8% 0.058 203.1)
-
Step 500
500 (this color)
#4F989F
oklch(63.5% 0.074 203.7)
-
Step 600
600
#2C8189
oklch(55.7% 0.08 204)
-
Step 700
700
#1D6D74
oklch(49.1% 0.075 203.7)
-
Step 800
800
#1B595E
oklch(42.7% 0.062 202.8)
-
Step 900
900
#1E494D
oklch(37.7% 0.048 203.6)
-
Step 950
950
#132B2D
oklch(27.1% 0.03 202.6)
#4F989F 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) | #8E93A0 | 0.073 |
| Deuteranopia (no green cones) | #81899F | 0.067 |
| Tritanopia (no blue cones) | #1D9D9A | 0.034 |
| Achromatopsia (no color) | #8D8D8D | 0.074 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #4F989F
#4F989F
oklch(63.5% 0.074 203.7)
- #B37975
#B37975
oklch(63.5% 0.074 23.7)
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 #4F989F, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Cadet Blue #5F9EA0 ΔE 0.025
- Sea #3C9992 ΔE 0.027
- Grey Teal #5E9B8A ΔE 0.037
- Dull Teal #5F9E8F ΔE 0.037
- Dusty Teal #4C9085 ΔE 0.041
- Persian Green #2A9D8F ΔE 0.042
- Teal Green #0A9396 ΔE 0.044
- Blue Green #0F9B8E ΔE 0.047
Use #4F989F 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.