#457666
Closest named color: Bluegreen (#017A79). oklch(52.6% 0.059 171), rgb(69, 118, 102).
Aa
White text reads best on this color (5.20:1).
About this color
#457666 is a medium-dark, muted teal or cyan. In OKLCH its lightness is 53%, its chroma 0.059 and its hue 171°. Its hue sits on the cool side of the wheel. The nearest named color is Bluegreen (#017A79), ΔE 0.042 away. White text reads best on it, at 5.20:1.
| Hue family | Teals and cyans |
| Lightness | medium-dark (53%) |
| Chroma | muted (0.059) |
| Temperature | cool |
| Nearest name | Bluegreen (#017A79) |
| Black text | 4.03:1 |
| White text | 5.20:1 |
Values
| HEX | #457666 |
| RGB | rgb(69, 118, 102) |
| HSL | hsl(160, 26%, 37%) |
| OKLCH | oklch(52.6% 0.059 171) |
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 #457666 | 5.20:1 | AA | Lc -81.1 | Fine for body text |
| Black text on #457666 | 4.03:1 | AA large text | Lc 28.4 | Dividers and decoration only |
| #457666 text on white | 5.20:1 | AA | Lc 75.7 | Fine for body text |
| #457666 text on black | 4.03:1 | AA large text | Lc -26.0 | Dividers and decoration only |
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
#E5ECE9
oklch(93.7% 0.008 168.7)
-
Step 200
200
#D0DCD8
oklch(88.4% 0.014 174.1)
-
Step 300
300
#B0C7BE
oklch(81% 0.028 170.1)
-
Step 400
400
#86AA9D
oklch(70.7% 0.044 171)
-
Step 500
500
#679585
oklch(63.2% 0.056 170.8)
-
Step 600
600 (this color)
#457666
oklch(52.6% 0.059 171)
-
Step 700
700
#3E6B5C
oklch(49% 0.056 170.6)
-
Step 800
800
#34574C
oklch(42.6% 0.045 172.1)
-
Step 900
900
#2E483F
oklch(37.8% 0.036 170.7)
-
Step 950
950
#1B2A25
oklch(27% 0.022 171.9)
#457666 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) | #737065 | 0.061 |
| Deuteranopia (no green cones) | #6B6A67 | 0.059 |
| Tritanopia (no blue cones) | #367771 | 0.019 |
| Achromatopsia (no color) | #6D6D6D | 0.060 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #457666
#457666
oklch(52.6% 0.059 171)
- #865C6F
#865C6F
oklch(52.6% 0.061 350.7)
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 #457666, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Bluegreen #017A79 ΔE 0.042
- Dark Aquamarine #017371 ΔE 0.044
- Deep Turquoise #017374 ΔE 0.046
- Deep Aqua #08787F ΔE 0.048
- Teal #008080 ΔE 0.048
- Dim Gray #696969 ΔE 0.060
- Slate #516572 ΔE 0.063
- Dark Moss Green #606C38 ΔE 0.063
Use #457666 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.