#51907F
Closest named color: Dusty Teal (#4C9085). oklch(60.6% 0.071 174.5), rgb(81, 144, 127).
Aa
Black text reads best on this color (5.64:1).
About this color
#51907F is a medium-dark, moderately saturated teal or cyan. In OKLCH its lightness is 61%, its chroma 0.071 and its hue 174°. Its hue sits on the cool side of the wheel. The nearest named color is Dusty Teal (#4C9085), ΔE 0.010 away. Black text reads best on it, at 5.64:1.
| Hue family | Teals and cyans |
| Lightness | medium-dark (61%) |
| Chroma | moderately saturated (0.071) |
| Temperature | cool |
| Nearest name | Dusty Teal (#4C9085) |
| Black text | 5.64:1 |
| White text | 3.71:1 |
Values
| HEX | #51907F |
| RGB | rgb(81, 144, 127) |
| HSL | hsl(164, 28%, 44%) |
| OKLCH | oklch(60.6% 0.071 174.5) |
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 #51907F | 3.71:1 | AA large text | Lc -70.1 | Content text, not long reading |
| Black text on #51907F | 5.64:1 | AA | Lc 39.4 | Non-text elements, placeholder text |
| #51907F text on white | 3.71:1 | AA large text | Lc 64.6 | Content text, not long reading |
| #51907F text on black | 5.64:1 | AA | Lc -37.0 | 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
#F2F6F5
oklch(97% 0.004 179.7)
-
Step 100
100
#E3ECE9
oklch(93.5% 0.01 174.3)
-
Step 200
200
#CDDDD8
oklch(88.4% 0.018 175.3)
-
Step 300
300
#ABC8BF
oklch(80.9% 0.034 174.7)
-
Step 400
400
#7CAC9E
oklch(70.6% 0.055 174.7)
-
Step 500
500 (this color)
#51907F
oklch(60.6% 0.071 174.5)
-
Step 600
600
#3C8270
oklch(55.6% 0.077 174.2)
-
Step 700
700
#2D6E5E
oklch(49.1% 0.072 174.5)
-
Step 800
800
#275A4D
oklch(42.8% 0.059 174.3)
-
Step 900
900
#254A40
oklch(37.8% 0.046 174.2)
-
Step 950
950
#162B25
oklch(26.9% 0.03 173.8)
#51907F 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) | #8C897E | 0.074 |
| Deuteranopia (no green cones) | #828180 | 0.071 |
| Tritanopia (no blue cones) | #3B918B | 0.023 |
| Achromatopsia (no color) | #848484 | 0.071 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #51907F
#51907F
oklch(60.6% 0.071 174.5)
- #A47084
#A47084
oklch(60.5% 0.071 354.7)
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 #51907F, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dusty Teal #4C9085 ΔE 0.010
- Slate Green #658D6D ΔE 0.029
- Sea #3C9992 ΔE 0.033
- Grey Teal #5E9B8A ΔE 0.037
- Ocean Green #3D9973 ΔE 0.040
- Persian Green #2A9D8F ΔE 0.041
- Blue Green #0F9B8E ΔE 0.042
- Teal Green #0A9396 ΔE 0.045
Use #51907F 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.