#78CEBA

Closest named color: Seafoam Blue (#78D1B6). oklch(79.1% 0.089 177.2), rgb(120, 206, 186).

Black text reads best on this color (11.33:1).

About this color

#78CEBA is a light, moderately saturated teal or cyan. In OKLCH its lightness is 79%, its chroma 0.089 and its hue 177°. Its hue sits on the cool side of the wheel. The nearest named color is Seafoam Blue (#78D1B6), ΔE 0.012 away. Black text reads best on it, at 11.33:1.

Hue family	Teals and cyans
Lightness	light (79%)
Chroma	moderately saturated (0.089)
Temperature	cool
Nearest name	Seafoam Blue (#78D1B6)
Black text	11.33:1
White text	1.85:1

Values

HEX	#78CEBA
RGB	rgb(120, 206, 186)
HSL	hsl(166, 47%, 64%)
OKLCH	oklch(79.1% 0.089 177.2)

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 #78CEBA	1.85:1	Fails	Lc -38.9	Non-text elements, placeholder text
Black text on #78CEBA	11.33:1	AAA	Lc 69.1	Content text, not long reading
#78CEBA text on white	1.85:1	Fails	Lc 34.8	Non-text elements, placeholder text
#78CEBA text on black	11.33:1	AAA	Lc -67.8	Content text, not long reading

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 300.

Step 50
50

#EEF8F5

oklch(97.1% 0.011 176.3)
Step 100
100

#D9F0E9

oklch(93.6% 0.026 175.6)
Step 200
200

#B7E4D8

oklch(88.4% 0.049 177.1)
Step 300
300 (this color)

#78CEBA

oklch(79.1% 0.089 177.2)
Step 400
400

#00BB9F

oklch(70.8% 0.132 176.8)
Step 500
500

#00A088

oklch(63.1% 0.117 177)
Step 600
600

#008772

oklch(55.7% 0.104 176.6)
Step 700
700

#007160

oklch(49.1% 0.091 177.4)
Step 800
800

#005D4E

oklch(42.8% 0.079 176.7)
Step 900
900

#004D41

oklch(37.6% 0.069 177.7)
Step 950
950

#002E26

oklch(26.9% 0.05 177.5)

Export this scale for Tailwind in the Tailwind colors tool

#78CEBA 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)	#C8C5B9	0.094
Deuteranopia (no green cones)	#BABABC	0.090
Tritanopia (no blue cones)	#59D0C8	0.027
Achromatopsia (no color)	#BEBEBE	0.090