#1998A9
Closest named color: Teal Green (#0A9396). oklch(62.4% 0.103 209.3), rgb(25, 152, 169).
Aa
Black text reads best on this color (6.10:1).
About this color
#1998A9 is a medium-light, moderately saturated teal or cyan. In OKLCH its lightness is 62%, its chroma 0.103 and its hue 209°. Its hue sits on the cool side of the wheel. The nearest named color is Teal Green (#0A9396), ΔE 0.031 away. Black text reads best on it, at 6.10:1.
| Hue family | Teals and cyans |
| Lightness | medium-light (62%) |
| Chroma | moderately saturated (0.103) |
| Temperature | cool |
| Nearest name | Teal Green (#0A9396) |
| Black text | 6.10:1 |
| White text | 3.43:1 |
Values
| HEX | #1998A9 |
| RGB | rgb(25, 152, 169) |
| HSL | hsl(187, 74%, 38%) |
| OKLCH | oklch(62.4% 0.103 209.3) |
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 #1998A9 | 3.43:1 | AA large text | Lc -66.9 | Content text, not long reading |
| Black text on #1998A9 | 6.10:1 | AA | Lc 42.6 | Non-text elements, placeholder text |
| #1998A9 text on white | 3.43:1 | AA large text | Lc 61.4 | Content text, not long reading |
| #1998A9 text on black | 6.10:1 | AA | Lc -40.2 | 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
#F1F7F8
oklch(97.2% 0.007 208.8)
-
Step 100
100
#DFEDEF
oklch(93.6% 0.015 207.1)
-
Step 200
200
#C5DFE3
oklch(88.6% 0.028 207.8)
-
Step 300
300
#9BCAD2
oklch(80.8% 0.05 209.1)
-
Step 400
400
#5FAFBC
oklch(70.8% 0.081 209.1)
-
Step 500
500 (this color)
#1998A9
oklch(62.4% 0.103 209.3)
-
Step 600
600
#008292
oklch(55.6% 0.096 209.8)
-
Step 700
700
#006D7B
oklch(49% 0.085 210.2)
-
Step 800
800
#005A65
oklch(42.8% 0.074 209.1)
-
Step 900
900
#004B54
oklch(37.8% 0.065 208.5)
-
Step 950
950
#052C32
oklch(27% 0.043 210.1)
#1998A9 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) | #8992AA | 0.097 |
| Deuteranopia (no green cones) | #7785A9 | 0.088 |
| Tritanopia (no blue cones) | #00A09D | 0.035 |
| Achromatopsia (no color) | #8A8A8A | 0.103 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #1998A9
#1998A9
oklch(62.4% 0.103 209.3)
- #BE6E63
#BE6E63
oklch(62.4% 0.104 28.7)
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 #1998A9, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Teal Green #0A9396 ΔE 0.031
- Sea #3C9992 ΔE 0.038
- Blue Green #0F9B8E ΔE 0.046
- Persian Green #2A9D8F ΔE 0.047
- Blue NCS #118AB2 ΔE 0.048
- Teal Blue #01889F ΔE 0.048
- Cadet Blue #5F9EA0 ΔE 0.053
- Dark Cyan #008B8B ΔE 0.054
Use #1998A9 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.