#499B99
Closest named color: Sea (#3C9992). oklch(63.8% 0.08 193.2), rgb(73, 155, 153).
Aa
Black text reads best on this color (6.43:1).
About this color
#499B99 is a medium-light, moderately saturated teal or cyan. In OKLCH its lightness is 64%, its chroma 0.080 and its hue 193°. Its hue sits on the cool side of the wheel. The nearest named color is Sea (#3C9992), ΔE 0.016 away. Black text reads best on it, at 6.43:1.
| Hue family | Teals and cyans |
| Lightness | medium-light (64%) |
| Chroma | moderately saturated (0.080) |
| Temperature | cool |
| Nearest name | Sea (#3C9992) |
| Black text | 6.43:1 |
| White text | 3.26:1 |
Values
| HEX | #499B99 |
| RGB | rgb(73, 155, 153) |
| HSL | hsl(179, 36%, 45%) |
| OKLCH | oklch(63.8% 0.08 193.2) |
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 #499B99 | 3.26:1 | AA large text | Lc -65.2 | Content text, not long reading |
| Black text on #499B99 | 6.43:1 | AA | Lc 44.3 | Non-text elements, placeholder text |
| #499B99 text on white | 3.26:1 | AA large text | Lc 59.8 | Large or bold text, headings |
| #499B99 text on black | 6.43:1 | 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
#F2F7F6
oklch(97.2% 0.005 183)
-
Step 100
100
#E2ECEC
oklch(93.6% 0.011 197)
-
Step 200
200
#CADEDD
oklch(88.5% 0.021 193.1)
-
Step 300
300
#A4C9C7
oklch(80.9% 0.039 192.3)
-
Step 400
400
#71ADAB
oklch(70.6% 0.062 193.2)
-
Step 500
500 (this color)
#499B99
oklch(63.8% 0.08 193.2)
-
Step 600
600
#208381
oklch(55.6% 0.087 192.9)
-
Step 700
700
#0E6F6D
oklch(49.1% 0.081 192.6)
-
Step 800
800
#135A59
oklch(42.6% 0.066 193.5)
-
Step 900
900
#194A49
oklch(37.6% 0.052 193.3)
-
Step 950
950
#102C2B
oklch(27.1% 0.034 192.2)
#499B99 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) | #939499 | 0.085 |
| Deuteranopia (no green cones) | #858A9A | 0.079 |
| Tritanopia (no blue cones) | #059F9A | 0.029 |
| Achromatopsia (no color) | #8E8E8E | 0.080 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #499B99
#499B99
oklch(63.8% 0.08 193.2)
- #B7777E
#B7777E
oklch(63.8% 0.081 12.5)
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 #499B99, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Sea #3C9992 ΔE 0.016
- Cadet Blue #5F9EA0 ΔE 0.025
- Grey Teal #5E9B8A ΔE 0.027
- Dull Teal #5F9E8F ΔE 0.027
- Persian Green #2A9D8F ΔE 0.028
- Blue Green #0F9B8E ΔE 0.036
- Dusty Teal #4C9085 ΔE 0.037
- Teal Green #0A9396 ΔE 0.042
Use #499B99 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.