#429591
Closest named color: Sea (#3C9992). oklch(61.8% 0.081 191), rgb(66, 149, 145).
Aa
Black text reads best on this color (5.93:1).
About this color
#429591 is a medium-dark, moderately saturated teal or cyan. In OKLCH its lightness is 62%, its chroma 0.081 and its hue 191°. 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 5.93:1.
| Hue family | Teals and cyans |
| Lightness | medium-dark (62%) |
| Chroma | moderately saturated (0.081) |
| Temperature | cool |
| Nearest name | Sea (#3C9992) |
| Black text | 5.93:1 |
| White text | 3.53:1 |
Values
| HEX | #429591 |
| RGB | rgb(66, 149, 145) |
| HSL | hsl(177, 39%, 42%) |
| OKLCH | oklch(61.8% 0.081 191) |
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 #429591 | 3.53:1 | AA large text | Lc -68.2 | Content text, not long reading |
| Black text on #429591 | 5.93:1 | AA | Lc 41.3 | Non-text elements, placeholder text |
| #429591 text on white | 3.53:1 | AA large text | Lc 62.7 | Content text, not long reading |
| #429591 text on black | 5.93:1 | AA | Lc -39.0 | 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
#CADEDC
oklch(88.5% 0.022 189.5)
-
Step 300
300
#A4C9C7
oklch(80.9% 0.039 192.3)
-
Step 400
400
#71AEAA
oklch(70.8% 0.063 190.6)
-
Step 500
500 (this color)
#429591
oklch(61.8% 0.081 191)
-
Step 600
600
#1F8380
oklch(55.5% 0.087 191.9)
-
Step 700
700
#0D6F6C
oklch(49.1% 0.081 191.5)
-
Step 800
800
#125B58
oklch(42.8% 0.068 190.7)
-
Step 900
900
#194A48
oklch(37.6% 0.052 191.4)
-
Step 950
950
#102C2A
oklch(27.1% 0.034 189.1)
#429591 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) | #8D8E91 | 0.085 |
| Deuteranopia (no green cones) | #808492 | 0.081 |
| Tritanopia (no blue cones) | #009994 | 0.026 |
| Achromatopsia (no color) | #888888 | 0.081 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #429591
#429591
oklch(61.8% 0.081 191)
- #B07179
#B07179
oklch(61.7% 0.08 11.4)
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 #429591, 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 0.019
- Persian Green #2A9D8F ΔE 0.027
- Teal Green #0A9396 ΔE 0.027
- Blue Green #0F9B8E ΔE 0.029
- Grey Teal #5E9B8A ΔE 0.035
- Dull Teal #5F9E8F ΔE 0.040
- Cadet Blue #5F9EA0 ΔE 0.044
Use #429591 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.