#429E91
Closest named color: Persian Green (#2A9D8F). oklch(64% 0.089 182.7), rgb(66, 158, 145).
Aa
Black text reads best on this color (6.53:1).
About this color
#429E91 is a medium-light, moderately saturated teal or cyan. In OKLCH its lightness is 64%, its chroma 0.089 and its hue 183°. Its hue sits on the cool side of the wheel. The nearest named color is Persian Green (#2A9D8F), ΔE 0.016 away. Black text reads best on it, at 6.53:1.
| Hue family | Teals and cyans |
| Lightness | medium-light (64%) |
| Chroma | moderately saturated (0.089) |
| Temperature | cool |
| Nearest name | Persian Green (#2A9D8F) |
| Black text | 6.53:1 |
| White text | 3.21:1 |
Values
| HEX | #429E91 |
| RGB | rgb(66, 158, 145) |
| HSL | hsl(172, 41%, 44%) |
| OKLCH | oklch(64% 0.089 182.7) |
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 #429E91 | 3.21:1 | AA large text | Lc -64.6 | Content text, not long reading |
| Black text on #429E91 | 6.53:1 | AA | Lc 44.9 | Non-text elements, placeholder text |
| #429E91 text on white | 3.21:1 | AA large text | Lc 59.1 | Large or bold text, headings |
| #429E91 text on black | 6.53:1 | AA | Lc -42.6 | 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
#F1F7F6
oklch(97.1% 0.006 185.3)
-
Step 100
100
#E1EDEA
oklch(93.6% 0.013 179.5)
-
Step 200
200
#C9DFDA
oklch(88.6% 0.024 180.6)
-
Step 300
300
#A2CAC3
oklch(80.8% 0.044 183.4)
-
Step 400
400
#6DAFA4
oklch(70.7% 0.07 182.5)
-
Step 500
500 (this color)
#429E91
oklch(64% 0.089 182.7)
-
Step 600
600
#0B8578
oklch(55.5% 0.097 182.8)
-
Step 700
700
#007165
oklch(49.2% 0.088 182.2)
-
Step 800
800
#045C53
oklch(42.7% 0.075 183.3)
-
Step 900
900
#144C44
oklch(37.8% 0.059 181.7)
-
Step 950
950
#0E2C28
oklch(26.9% 0.036 183.6)
#429E91 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) | #979691 | 0.095 |
| Deuteranopia (no green cones) | #898B92 | 0.090 |
| Tritanopia (no blue cones) | #00A19A | 0.024 |
| Achromatopsia (no color) | #8F8F8F | 0.090 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #429E91
#429E91
oklch(64% 0.089 182.7)
- #BA7587
#BA7587
oklch(64.1% 0.089 3)
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 #429E91, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Persian Green #2A9D8F ΔE 0.016
- Sea #3C9992 ΔE 0.017
- Grey Teal #5E9B8A ΔE 0.024
- Dull Teal #5F9E8F ΔE 0.025
- Blue Green #0F9B8E ΔE 0.027
- Cadet Blue #5F9EA0 ΔE 0.036
- Dusty Teal #4C9085 ΔE 0.039
- Ocean Green #3D9973 ΔE 0.043
Use #429E91 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.