#299C81
Closest named color: Ocean Green (#3D9973). oklch(62.3% 0.108 173.1), rgb(41, 156, 129).
Aa
Black text reads best on this color (6.16:1).
About this color
#299C81 is a medium-light, moderately saturated teal or cyan. In OKLCH its lightness is 62%, its chroma 0.108 and its hue 173°. Its hue sits on the cool side of the wheel. The nearest named color is Ocean Green (#3D9973), ΔE 0.020 away. Black text reads best on it, at 6.16:1.
| Hue family | Teals and cyans |
| Lightness | medium-light (62%) |
| Chroma | moderately saturated (0.108) |
| Temperature | cool |
| Nearest name | Ocean Green (#3D9973) |
| Black text | 6.16:1 |
| White text | 3.40:1 |
Values
| HEX | #299C81 |
| RGB | rgb(41, 156, 129) |
| HSL | hsl(166, 58%, 39%) |
| OKLCH | oklch(62.3% 0.108 173.1) |
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 #299C81 | 3.40:1 | AA large text | Lc -66.6 | Content text, not long reading |
| Black text on #299C81 | 6.16:1 | AA | Lc 42.9 | Non-text elements, placeholder text |
| #299C81 text on white | 3.40:1 | AA large text | Lc 61.2 | Content text, not long reading |
| #299C81 text on black | 6.16:1 | AA | Lc -40.5 | 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
#F1F7F5
oklch(97.1% 0.007 174.4)
-
Step 100
100
#E0EDE9
oklch(93.5% 0.015 175.7)
-
Step 200
200
#C6E0D7
oklch(88.5% 0.03 172.8)
-
Step 300
300
#9ECCBD
oklch(80.8% 0.053 173)
-
Step 400
400
#64B29C
oklch(70.7% 0.085 173.5)
-
Step 500
500 (this color)
#299C81
oklch(62.3% 0.108 173.1)
-
Step 600
600
#00876D
oklch(55.6% 0.107 172.9)
-
Step 700
700
#00725C
oklch(49.2% 0.094 173.1)
-
Step 800
800
#005D4B
oklch(42.7% 0.081 173.5)
-
Step 900
900
#044D3E
oklch(37.6% 0.07 173.6)
-
Step 950
950
#092D24
oklch(26.9% 0.044 173)
#299C81 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) | #979280 | 0.112 |
| Deuteranopia (no green cones) | #878683 | 0.108 |
| Tritanopia (no blue cones) | #009E94 | 0.027 |
| Achromatopsia (no color) | #8B8B8B | 0.109 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #299C81
#299C81
oklch(62.3% 0.108 173.1)
- #B96A8D
#B96A8D
oklch(62.3% 0.109 352.7)
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 #299C81, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Ocean Green #3D9973 ΔE 0.020
- Persian Green #2A9D8F ΔE 0.021
- Blue Green #0F9B8E ΔE 0.021
- Sea #3C9992 ΔE 0.033
- Dusty Teal #4C9085 ΔE 0.043
- Jade #1FA774 ΔE 0.043
- Grey Teal #5E9B8A ΔE 0.044
- Viridian #1E9167 ΔE 0.045
Use #299C81 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.