#649691
Closest named color: Grey Teal (#5E9B8A). oklch(63.6% 0.054 188), rgb(100, 150, 145).
Aa
Black text reads best on this color (6.31:1).
About this color
#649691 is a medium-light, muted teal or cyan. In OKLCH its lightness is 64%, its chroma 0.054 and its hue 188°. Its hue sits on the cool side of the wheel. The nearest named color is Grey Teal (#5E9B8A), ΔE 0.022 away. Black text reads best on it, at 6.31:1.
| Hue family | Teals and cyans |
| Lightness | medium-light (64%) |
| Chroma | muted (0.054) |
| Temperature | cool |
| Nearest name | Grey Teal (#5E9B8A) |
| Black text | 6.31:1 |
| White text | 3.32:1 |
Values
| HEX | #649691 |
| RGB | rgb(100, 150, 145) |
| HSL | hsl(174, 20%, 49%) |
| OKLCH | oklch(63.6% 0.054 188) |
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 #649691 | 3.32:1 | AA large text | Lc -66.1 | Content text, not long reading |
| Black text on #649691 | 6.31:1 | AA | Lc 43.5 | Non-text elements, placeholder text |
| #649691 text on white | 3.32:1 | AA large text | Lc 60.6 | Content text, not long reading |
| #649691 text on black | 6.31:1 | AA | Lc -41.1 | 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
#F3F6F6
oklch(97.1% 0.003 197.1)
-
Step 100
100
#E4ECEB
oklch(93.7% 0.009 188.1)
-
Step 200
200
#CFDCDB
oklch(88.4% 0.014 191.4)
-
Step 300
300
#AEC6C4
oklch(80.8% 0.026 190.5)
-
Step 400
400
#83AAA5
oklch(70.8% 0.043 186.6)
-
Step 500
500 (this color)
#649691
oklch(63.6% 0.054 188)
-
Step 600
600
#487F7A
oklch(55.7% 0.059 188.1)
-
Step 700
700
#396B66
oklch(49.1% 0.055 187.2)
-
Step 800
800
#305754
oklch(42.7% 0.045 189.3)
-
Step 900
900
#2B4845
oklch(37.8% 0.035 187.5)
-
Step 950
950
#192A28
oklch(26.9% 0.023 186.7)
#649691 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) | #919191 | 0.058 |
| Deuteranopia (no green cones) | #888A92 | 0.055 |
| Tritanopia (no blue cones) | #539894 | 0.017 |
| Achromatopsia (no color) | #8D8D8D | 0.055 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #649691
#649691
oklch(63.6% 0.054 188)
- #A97E85
#A97E85
oklch(63.7% 0.054 7.9)
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 #649691, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Grey Teal #5E9B8A ΔE 0.022
- Dull Teal #5F9E8F ΔE 0.025
- Cadet Blue #5F9EA0 ΔE 0.026
- Sea #3C9992 ΔE 0.035
- Dusty Teal #4C9085 ΔE 0.036
- Persian Green #2A9D8F ΔE 0.048
- Green Grey #77926F ΔE 0.048
- Blue Grey #758DA3 ΔE 0.048
Use #649691 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.