#299E90
Closest named color: Persian Green (#2A9D8F). oklch(63.3% 0.102 183.1), rgb(41, 158, 144).
Aa
Black text reads best on this color (6.38:1).
About this color
#299E90 is a medium-light, moderately saturated teal or cyan. In OKLCH its lightness is 63%, its chroma 0.102 and its hue 183°. Its hue sits on the cool side of the wheel. The nearest named color is Persian Green (#2A9D8F), ΔE 0.003 away. Black text reads best on it, at 6.38:1.
| Hue family | Teals and cyans |
| Lightness | medium-light (63%) |
| Chroma | moderately saturated (0.102) |
| Temperature | cool |
| Nearest name | Persian Green (#2A9D8F) |
| Black text | 6.38:1 |
| White text | 3.28:1 |
Values
| HEX | #299E90 |
| RGB | rgb(41, 158, 144) |
| HSL | hsl(173, 59%, 39%) |
| OKLCH | oklch(63.3% 0.102 183.1) |
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 #299E90 | 3.28:1 | AA large text | Lc -65.3 | Content text, not long reading |
| Black text on #299E90 | 6.38:1 | AA | Lc 44.2 | Non-text elements, placeholder text |
| #299E90 text on white | 3.28:1 | AA large text | Lc 59.8 | Large or bold text, headings |
| #299E90 text on black | 6.38:1 | AA | Lc -41.9 | 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
#E0EDEB
oklch(93.6% 0.014 185.9)
-
Step 200
200
#C6DFDB
oklch(88.4% 0.027 185.1)
-
Step 300
300
#9DCCC4
oklch(81% 0.051 183.5)
-
Step 400
400
#63B1A5
oklch(70.7% 0.08 182.9)
-
Step 500
500 (this color)
#299E90
oklch(63.3% 0.102 183.1)
-
Step 600
600
#008679
oklch(55.7% 0.099 183.1)
-
Step 700
700
#007065
oklch(49% 0.087 183.1)
-
Step 800
800
#005C53
oklch(42.6% 0.076 183.4)
-
Step 900
900
#014D45
oklch(37.8% 0.067 183)
-
Step 950
950
#072D28
oklch(26.9% 0.043 182.5)
#299E90 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) | #969590 | 0.108 |
| Deuteranopia (no green cones) | #868991 | 0.102 |
| Tritanopia (no blue cones) | #00A19A | 0.016 |
| Achromatopsia (no color) | #8E8E8E | 0.103 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #299E90
#299E90
oklch(63.3% 0.102 183.1)
- #BD6F84
#BD6F84
oklch(63.3% 0.101 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 #299E90, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Persian Green #2A9D8F ΔE 0.003
- Blue Green #0F9B8E ΔE 0.014
- Sea #3C9992 ΔE 0.018
- Grey Teal #5E9B8A ΔE 0.037
- Dull Teal #5F9E8F ΔE 0.039
- Ocean Green #3D9973 ΔE 0.040
- Teal Green #0A9396 ΔE 0.040
- Dusty Teal #4C9085 ΔE 0.041
Use #299E90 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.